browser(firefox): emulate language (#1452)

pavelfeldman/gecko-dev@1e29e6f

Author: pavelfeldman

browser_patches/firefox/BUILD_NUMBER

@@ -1 +1 @@
-1044
+1045

browser_patches/firefox/patches/bootstrap.diff

@@ -138,7 +138,7 @@ index 040c7b124dec6bb254563bbe74fe50012cb077a3..b4e6b8132786af70e8ad0dce88b67c28
    const transportProvider = {
      setListener(upgradeListener) {
 diff --git a/docshell/base/nsDocShell.cpp b/docshell/base/nsDocShell.cpp
-index 344bd4a9f524616b98c664d4fb2b2154927ea7c8..abcc9be78508a9788c3b4872a1eb344ddf2f9464 100644
+index 344bd4a9f524616b98c664d4fb2b2154927ea7c8..74d392e71ce3a0b1a0c640cc9149777794164e7b 100644
 --- a/docshell/base/nsDocShell.cpp
 +++ b/docshell/base/nsDocShell.cpp
 @@ -53,6 +53,7 @@
@@ -174,7 +174,7 @@ index 344bd4a9f524616b98c664d4fb2b2154927ea7c8..abcc9be78508a9788c3b4872a1eb344d
    if (!isSubFrame && !isRoot) {
      /*
       * We don't want to send OnLocationChange notifications when
-@@ -3363,6 +3368,72 @@ nsDocShell::GetMessageManager(ContentFrameMessageManager** aMessageManager) {
+@@ -3363,6 +3368,85 @@ nsDocShell::GetMessageManager(ContentFrameMessageManager** aMessageManager) {
    return NS_OK;
  }
 
@@ -203,6 +203,19 @@ index 344bd4a9f524616b98c664d4fb2b2154927ea7c8..abcc9be78508a9788c3b4872a1eb344d
 +}
 +
 +NS_IMETHODIMP
++nsDocShell::GetLanguageOverride(nsAString& aLanguageOverride) {
++  MOZ_ASSERT(aEnabled);
++  aLanguageOverride = mLanguageOverride;
++  return NS_OK;
++}
++
++NS_IMETHODIMP
++nsDocShell::SetLanguageOverride(const nsAString& aLanguageOverride) {
++  mLanguageOverride = aLanguageOverride;
++  return NS_OK;
++}
++
++NS_IMETHODIMP
 +nsDocShell::GetFileInputInterceptionEnabled(bool* aEnabled) {
 +  MOZ_ASSERT(aEnabled);
 +  *aEnabled = mFileInputInterceptionEnabled;
@@ -247,7 +260,7 @@ index 344bd4a9f524616b98c664d4fb2b2154927ea7c8..abcc9be78508a9788c3b4872a1eb344d
  NS_IMETHODIMP
  nsDocShell::GetIsNavigating(bool* aOut) {
    *aOut = mIsNavigating;
-@@ -12138,6 +12209,9 @@ class OnLinkClickEvent : public Runnable {
+@@ -12138,6 +12222,9 @@ class OnLinkClickEvent : public Runnable {
                                  mNoOpenerImplied, nullptr, nullptr,
                                  mIsUserTriggered, mTriggeringPrincipal, mCsp);
      }
@@ -257,7 +270,7 @@ index 344bd4a9f524616b98c664d4fb2b2154927ea7c8..abcc9be78508a9788c3b4872a1eb344d
      return NS_OK;
    }
 
-@@ -12227,6 +12301,9 @@ nsresult nsDocShell::OnLinkClick(
+@@ -12227,6 +12314,9 @@ nsresult nsDocShell::OnLinkClick(
        this, aContent, aURI, target, aFileName, aPostDataStream,
        aHeadersDataStream, noOpenerImplied, aIsUserTriggered, aIsTrusted,
        aTriggeringPrincipal, aCsp);
@@ -268,7 +281,7 @@ index 344bd4a9f524616b98c664d4fb2b2154927ea7c8..abcc9be78508a9788c3b4872a1eb344d
  }
 
 diff --git a/docshell/base/nsDocShell.h b/docshell/base/nsDocShell.h
-index bd8327aae45f1d56acf0d5e61519c7cf469462f3..89cb1a417f129b75ee7e6ec322d121d579d25ef0 100644
+index bd8327aae45f1d56acf0d5e61519c7cf469462f3..bb1bdf6aadf8276ed46c435e00e0bc4ff9ce91df 100644
 --- a/docshell/base/nsDocShell.h
 +++ b/docshell/base/nsDocShell.h
 @@ -13,6 +13,7 @@
@@ -310,18 +323,19 @@ index bd8327aae45f1d56acf0d5e61519c7cf469462f3..89cb1a417f129b75ee7e6ec322d121d5
    // Handles retrieval of subframe session history for nsDocShell::LoadURI. If a
    // load is requested in a subframe of the current DocShell, the subframe
    // loadType may need to reflect the loadType of the parent document, or in
-@@ -1296,6 +1307,9 @@ class nsDocShell final : public nsDocLoader,
+@@ -1296,6 +1307,10 @@ class nsDocShell final : public nsDocLoader,
    bool mUseStrictSecurityChecks : 1;
    bool mObserveErrorPages : 1;
    bool mCSSErrorReportingEnabled : 1;
 +  bool mFileInputInterceptionEnabled: 1;
 +  bool mBypassCSPEnabled : 1;
++  nsString mLanguageOverride;
 +  RefPtr<nsGeolocationService> mGeolocationOverrideService;
    bool mAllowAuth : 1;
    bool mAllowKeywordFixup : 1;
    bool mIsOffScreenBrowser : 1;
 diff --git a/docshell/base/nsIDocShell.idl b/docshell/base/nsIDocShell.idl
-index db95b181388e8ab3c074b3b6e036dc971633e396..bd2ab50b8a5a6f6e3b9618061b752ea52caa239c 100644
+index db95b181388e8ab3c074b3b6e036dc971633e396..b550e4abdb37d9ca942796d86758377ecbc3f461 100644
 --- a/docshell/base/nsIDocShell.idl
 +++ b/docshell/base/nsIDocShell.idl
 @@ -44,6 +44,7 @@ interface nsIURI;
@@ -332,7 +346,7 @@ index db95b181388e8ab3c074b3b6e036dc971633e396..bd2ab50b8a5a6f6e3b9618061b752ea5
  interface nsIDocShellLoadInfo;
  interface nsIEditor;
  interface nsIEditingSession;
-@@ -1132,4 +1133,10 @@ interface nsIDocShell : nsIDocShellTreeItem
+@@ -1132,4 +1133,12 @@ interface nsIDocShell : nsIDocShellTreeItem
     * @see nsISHEntry synchronizeLayoutHistoryState().
     */
    void synchronizeLayoutHistoryState();
@@ -341,6 +355,8 @@ index db95b181388e8ab3c074b3b6e036dc971633e396..bd2ab50b8a5a6f6e3b9618061b752ea5
 +
 +  attribute boolean bypassCSPEnabled;
 +
++  attribute AString languageOverride;
++
 +  void setGeolocationOverride(in nsIDOMGeoPosition position);
  };
 diff --git a/dom/base/Document.cpp b/dom/base/Document.cpp
@@ -369,6 +385,55 @@ index 394004780db4017d6ff1561febd4b379705c6302..941ef9f97a4851e785edaf25c0913a1c
    // If this is a data document - no need to set CSP.
    if (mLoadedAsData) {
      return NS_OK;
+diff --git a/dom/base/Navigator.cpp b/dom/base/Navigator.cpp
+index 061f19c31fa396d9ff7aedc4c0e175b3d5bf521f..4cf9c16bb1b275debd326ea860e27dd76c4f8a56 100644
+--- a/dom/base/Navigator.cpp
++++ b/dom/base/Navigator.cpp
+@@ -313,14 +313,18 @@ void Navigator::GetAppName(nsAString& aAppName, CallerType aCallerType) const {
+  * An empty array will be returned if there is no valid languages.
+  */
+ /* static */
+-void Navigator::GetAcceptLanguages(nsTArray<nsString>& aLanguages) {
++void Navigator::GetAcceptLanguages(const nsString* aLanguageOverride, nsTArray<nsString>& aLanguages) {
+   MOZ_ASSERT(NS_IsMainThread());
+ 
+   aLanguages.Clear();
+ 
+   // E.g. "de-de, en-us,en".
+   nsAutoString acceptLang;
+-  Preferences::GetLocalizedString("intl.accept_languages", acceptLang);
++  if (aLanguageOverride && aLanguageOverride->Length())
++    acceptLang = *aLanguageOverride;
++  else
++    Preferences::GetLocalizedString("intl.accept_languages", acceptLang);
++    
+ 
+   // Split values on commas.
+   nsCharSeparatedTokenizer langTokenizer(acceptLang, ',');
+@@ -376,7 +380,9 @@ void Navigator::GetLanguage(nsAString& aLanguage) {
+ }
+ 
+ void Navigator::GetLanguages(nsTArray<nsString>& aLanguages) {
+-  GetAcceptLanguages(aLanguages);
++  nsString languageOverride;
++  mWindow->GetDocShell()->GetLanguageOverride(languageOverride);
++  GetAcceptLanguages(&languageOverride, aLanguages);
+ 
+   // The returned value is cached by the binding code. The window listen to the
+   // accept languages change and will clear the cache when needed. It has to
+diff --git a/dom/base/Navigator.h b/dom/base/Navigator.h
+index 1ad4f2a680177e309ff3614b17663201c8c3b68e..a867a49b16475f2a5f8be68967568bf571731ca7 100644
+--- a/dom/base/Navigator.h
++++ b/dom/base/Navigator.h
+@@ -218,7 +218,7 @@ class Navigator final : public nsISupports, public nsWrapperCache {
+ 
+   StorageManager* Storage();
+ 
+-  static void GetAcceptLanguages(nsTArray<nsString>& aLanguages);
++  static void GetAcceptLanguages(const nsString* aLanguageOverride, nsTArray<nsString>& aLanguages);
+ 
+   dom::MediaCapabilities* MediaCapabilities();
+   dom::MediaSession* MediaSession();
 diff --git a/dom/geolocation/Geolocation.cpp b/dom/geolocation/Geolocation.cpp
 index f2bb0d880f179bb37e915fe5b32692ac4307ecf7..835c8f9098ffe4f63aeac0286faa33ade21f9a0f 100644
 --- a/dom/geolocation/Geolocation.cpp
@@ -548,6 +613,29 @@ index f0c28cfdae1c9ac33013e9688e0142d161763543..a38ab106e37dbab58e91ef5a873f8954
    nsAutoString policyStr(
        nsContentUtils::TrimWhitespace<nsContentUtils::IsHTMLWhitespace>(
            aPolicyStr));
+diff --git a/dom/workers/RuntimeService.cpp b/dom/workers/RuntimeService.cpp
+index ddc2aac728a772d4830504419d63123ffc4ee928..4a9fd6d8a437c0fefce144d85c3274672ab54ea3 100644
+--- a/dom/workers/RuntimeService.cpp
++++ b/dom/workers/RuntimeService.cpp
+@@ -1065,7 +1065,7 @@ void PrefLanguagesChanged(const char* /* aPrefName */, void* /* aClosure */) {
+   AssertIsOnMainThread();
+ 
+   nsTArray<nsString> languages;
+-  Navigator::GetAcceptLanguages(languages);
++  Navigator::GetAcceptLanguages(nullptr, languages);
+ 
+   RuntimeService* runtime = RuntimeService::GetService();
+   if (runtime) {
+@@ -1269,8 +1269,7 @@ bool RuntimeService::RegisterWorker(WorkerPrivate* aWorkerPrivate) {
+       }
+ 
+       // The navigator overridden properties should have already been read.
+-
+-      Navigator::GetAcceptLanguages(mNavigatorProperties.mLanguages);
++      Navigator::GetAcceptLanguages(nullptr, mNavigatorProperties.mLanguages);
+       mNavigatorPropertiesLoaded = true;
+     }
+ 
 diff --git a/extensions/permissions/nsPermissionManager.cpp b/extensions/permissions/nsPermissionManager.cpp
 index 5de630a1db847a09651b310928bb7bc4d4f66f29..0268bc2bdfb3bfda2ef6e01a5dd24209723903fa 100644
 --- a/extensions/permissions/nsPermissionManager.cpp
@@ -2610,10 +2698,10 @@ index 0000000000000000000000000000000000000000..be70ea364f9534bb3b344f64970366c3
 +
 diff --git a/juggler/content/PageAgent.js b/juggler/content/PageAgent.js
 new file mode 100644
-index 0000000000000000000000000000000000000000..2fbf254062eef50c2298916120f83a8000a5388d
+index 0000000000000000000000000000000000000000..17ddd1ac290baf820bd9aa1b6aaf629f6627dc65
 --- /dev/null
 +++ b/juggler/content/PageAgent.js
-@@ -0,0 +1,940 @@
+@@ -0,0 +1,945 @@
 +"use strict";
 +const {Services} = ChromeUtils.import("resource://gre/modules/Services.jsm");
 +const Ci = Components.interfaces;
@@ -2790,6 +2878,7 @@ index 0000000000000000000000000000000000000000..2fbf254062eef50c2298916120f83a80
 +        setFileInputFiles: this._setFileInputFiles.bind(this),
 +        setInterceptFileChooserDialog: this._setInterceptFileChooserDialog.bind(this),
 +        setGeolocationOverride: this._setGeolocationOverride.bind(this),
++        setLanguageOverride: this._setLanguageOverride.bind(this),
 +      }),
 +    ];
 +    this._enabled = false;
@@ -2952,6 +3041,10 @@ index 0000000000000000000000000000000000000000..2fbf254062eef50c2298916120f83a80
 +    }
 +  }
 +
++  _setLanguageOverride({ language }) {
++    this._docShell.languageOverride = language;
++  }
++
 +  _linkClicked(sync, anchorElement) {
 +    if (anchorElement.ownerGlobal.docShell !== this._docShell)
 +      return;
@@ -5077,10 +5170,10 @@ index 0000000000000000000000000000000000000000..e1f1e21a20768d707a92ffffc8a7c114
 +this.NetworkHandler = NetworkHandler;
 diff --git a/juggler/protocol/PageHandler.js b/juggler/protocol/PageHandler.js
 new file mode 100644
-index 0000000000000000000000000000000000000000..e0b9ee6f25dc94d7c049fc40a61a1b7e70fa38c2
+index 0000000000000000000000000000000000000000..c2e7ba3ee96c9d6f3da56a274c760b36816631a0
 --- /dev/null
 +++ b/juggler/protocol/PageHandler.js
-@@ -0,0 +1,353 @@
+@@ -0,0 +1,357 @@
 +"use strict";
 +
 +const {Helper} = ChromeUtils.import('chrome://juggler/content/Helper.js');
@@ -5375,6 +5468,10 @@ index 0000000000000000000000000000000000000000..e0b9ee6f25dc94d7c049fc40a61a1b7e
 +    return await this._contentPage.send('setGeolocationOverride', options);
 +  }
 +
++  async setLanguageOverride(options) {
++    return await this._contentPage.send('setLanguageOverride', options);
++  }
++
 +}
 +
 +class Dialog {
@@ -5585,10 +5682,10 @@ index 0000000000000000000000000000000000000000..78b6601b91d0b7fcda61114e6846aa07
 +this.EXPORTED_SYMBOLS = ['t', 'checkScheme'];
 diff --git a/juggler/protocol/Protocol.js b/juggler/protocol/Protocol.js
 new file mode 100644
-index 0000000000000000000000000000000000000000..c915c4b2c1dde6941c9fcf424b0a6de36dea0088
+index 0000000000000000000000000000000000000000..cb775900073f83e5e6892b84f8ff782dc8f5bc04
 --- /dev/null
 +++ b/juggler/protocol/Protocol.js
-@@ -0,0 +1,752 @@
+@@ -0,0 +1,757 @@
 +const {t, checkScheme} = ChromeUtils.import('chrome://juggler/content/protocol/PrimitiveTypes.js');
 +
 +// Protocol-specific types.
@@ -6315,6 +6412,11 @@ index 0000000000000000000000000000000000000000..c915c4b2c1dde6941c9fcf424b0a6de3
 +        longitude: t.Optional(t.Number),
 +        accuracy: t.Optional(t.Number)
 +      }
++    },
++    'setLanguageOverride': {
++      params: {
++        language: t.String,
++      }
 +    }
 +  },
 +};