diff --git a/remoting/android/java/AndroidManifest.xml.jinja2 b/remoting/android/java/AndroidManifest.xml.jinja2
index 15e05c6ab4fc1..1b3209b779842 100644
--- a/remoting/android/java/AndroidManifest.xml.jinja2
+++ b/remoting/android/java/AndroidManifest.xml.jinja2
@@ -37,6 +37,7 @@
         </activity>
         <activity android:name="org.chromium.chromoting.Desktop"
                 android:configChanges="orientation|screenSize"
+                android:theme="@style/BaseTheme.Desktop"
                 android:windowSoftInputMode="adjustResize"/>
         <activity android:name="org.chromium.chromoting.HelpActivity"
                 android:configChanges="orientation|screenSize"
diff --git a/remoting/android/java/res/values-v17/styles.xml b/remoting/android/java/res/values-v17/styles.xml
index ce6d391a715f8..3995e6a1d6c78 100644
--- a/remoting/android/java/res/values-v17/styles.xml
+++ b/remoting/android/java/res/values-v17/styles.xml
@@ -14,6 +14,13 @@
         <item name="windowActionBar">false</item>
         <item name="android:windowDrawsSystemBarBackgrounds">true</item>
     </style>
+    <style name="BaseTheme.Desktop" parent="@style/BaseTheme">
+        <item name="actionBarStyle">@style/ActionBar.Desktop</item>
+    </style>
+
+    <style name="ActionBar.Desktop" parent="@style/Widget.AppCompat.ActionBar">
+        <item name="displayOptions">homeAsUp</item>
+    </style>
 
     <style name="EmptyStateText" parent="@android:style/TextAppearance.Large">
         <item name="android:textColor">#888</item>
diff --git a/remoting/android/java/src/org/chromium/chromoting/Desktop.java b/remoting/android/java/src/org/chromium/chromoting/Desktop.java
index a7762fa7610ad..7135492743d02 100644
--- a/remoting/android/java/src/org/chromium/chromoting/Desktop.java
+++ b/remoting/android/java/src/org/chromium/chromoting/Desktop.java
@@ -51,7 +51,11 @@ public void onCreate(Bundle savedInstanceState) {
         mOverlayButton = (ImageButton) findViewById(R.id.desktop_overlay_button);
         mRemoteHostDesktop.setDesktop(this);
 
-        // Ensure the button is initially hidden.
+        // For this Activity, the home button in the action bar acts as a Disconnect button, so
+        // set the description for accessibility/screen readers.
+        getSupportActionBar().setHomeActionContentDescription(R.string.disconnect_myself_button);
+
+        // Ensure the overlay button is initially hidden.
         showActionBar();
 
         View decorView = getWindow().getDecorView();
@@ -193,7 +197,7 @@ public boolean onOptionsItemSelected(MenuItem item) {
             hideActionBar();
             return true;
         }
-        if (id == R.id.actionbar_disconnect) {
+        if (id == R.id.actionbar_disconnect || id == android.R.id.home) {
             JniInterface.disconnectFromHost();
             return true;
         }