[Android WebView] Synthesize a fake page loading event on page source modification (Re-land)

content/browser/web_contents/web_contents_android.h

Index: content/browser/web_contents/web_contents_android.h
diff --git a/content/browser/web_contents/web_contents_android.h b/content/browser/web_contents/web_contents_android.h
index 4379e3d5baa789aa687c5dfe76f84b1b374e718a..7f259efdb72627a0a2699eac4e4dd0ae72bd5892 100644
--- a/content/browser/web_contents/web_contents_android.h
+++ b/content/browser/web_contents/web_contents_android.h
@@ -50,6 +50,8 @@ class CONTENT_EXPORT WebContentsAndroid
   void Stop(JNIEnv* env, jobject obj);
   jint GetBackgroundColor(JNIEnv* env, jobject obj);
   base::android::ScopedJavaLocalRef<jstring> GetURL(JNIEnv* env, jobject) const;
+  base::android::ScopedJavaLocalRef<jstring> GetLastCommittedURL(JNIEnv* env,
+                                                                 jobject) const;
   jboolean IsIncognito(JNIEnv* env, jobject obj);
 
   void ResumeResponseDeferredAtStart(JNIEnv* env, jobject obj);
@@ -109,6 +111,8 @@ class CONTENT_EXPORT WebContentsAndroid
                                    jint level,
                                    jstring message);
 
+  jboolean HasAccessedInitialDocument(JNIEnv* env, jobject jobj);
+
  private:
   RenderWidgetHostViewAndroid* GetRenderWidgetHostViewAndroid();