[Android] Show document mode opt-out InfoBar on selected devices.

chrome/android/java/src/org/chromium/chrome/browser/ChromeApplication.java

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 package org.chromium.chrome.browser;
 
 import android.app.Activity;
 import android.content.Context;
 import android.content.Intent;
 import android.content.SharedPreferences;
@@ skipping 228 matching lines @@
         UniqueIdentificationGeneratorFactory.registerGenerator(SyncController.GENERATOR_ID,
                 new UuidBasedUniqueIdentificationGenerator(this, SESSIONS_UUID_PREF_KEY), false);
     }
 
     /**
      * Each top-level activity (ChromeTabbedActivity, FullscreenActivity) should call this during
      * its onStart phase. When called for the first time, this marks the beginning of a foreground
      * session and calls onForegroundSessionStart(). Subsequent calls are noops until
      * onForegroundSessionEnd() is called, to handle changing top-level Chrome activities in one
      * foreground session.
+     *
+     * @return Whether foreground session is started by this call, i.e., there was no Chrome process
+     *         running already.
      */
-    public void onStartWithNative() {
-        if (mIsStarted) return;
+    public boolean onStartWithNative() {
+        if (mIsStarted) return false;
         mIsStarted = true;
 
         assert mIsProcessInitialized;
 
         onForegroundSessionStart();
+
+        return true;
     }
 
     /**
      * Called when a top-level Chrome activity (ChromeTabbedActivity, FullscreenActivity) is
      * started in foreground. It will not be called again when other Chrome activities take over
      * (see onStart()), that is, when correct activity calls startActivity() for another Chrome
      * activity.
      */
     private void onForegroundSessionStart() {
         ChildProcessLauncher.onBroughtToForeground();
@@ skipping 653 matching lines @@
      */
     private void updatePasswordEchoState() {
         boolean systemEnabled = Settings.System.getInt(
                 getApplicationContext().getContentResolver(),
                 Settings.System.TEXT_SHOW_PASSWORD, 1) == 1;
         if (PrefServiceBridge.getInstance().getPasswordEchoEnabled() == systemEnabled) return;
 
         PrefServiceBridge.getInstance().setPasswordEchoEnabled(systemEnabled);
     }
 }