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

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

Index: chrome/android/java/src/org/chromium/chrome/browser/ChromeApplication.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/ChromeApplication.java b/chrome/android/java/src/org/chromium/chrome/browser/ChromeApplication.java
index 4ae346a23430f3507dad4acd29295bc785c5c32f..be07945291c2a31061ab0259cf15f9e1090a1683 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/ChromeApplication.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/ChromeApplication.java
@@ -245,14 +245,19 @@ public class ChromeApplication extends ContentApplication {
      * 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., no other Chrome activities

[gone, 2015/11/17 23:18:16]

This is misleading if another Activity was killed but the process was still
alive and another Activity started up.

[Kibeom Kim (inactive), 2015/11/20 11:44:14]

Done.

+     *         were alive.
      */
-    public void onStartWithNative() {
-        if (mIsStarted) return;
+    public boolean onStartWithNative() {
+        if (mIsStarted) return false;
         mIsStarted = true;
 
         assert mIsProcessInitialized;
 
         onForegroundSessionStart();
+
+        return true;
     }
 
     /**