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

content/public/android/java/src/org/chromium/content/browser/webcontents/WebContentsImpl.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.content.browser.webcontents;
 
 import org.chromium.base.CalledByNative;
 import org.chromium.base.JNINamespace;
 import org.chromium.content_public.browser.JavaScriptCallback;
 import org.chromium.content_public.browser.NavigationController;
@@ skipping 148 matching lines @@
     public void selectWordAroundCaret() {
         nativeSelectWordAroundCaret(mNativeWebContentsAndroid);
     }
 
     @Override
     public String getUrl() {
         return nativeGetURL(mNativeWebContentsAndroid);
     }
 
     @Override
+    public String getLastCommittedUrl() {
+        return nativeGetLastCommittedURL(mNativeWebContentsAndroid);
+    }
+
+    @Override
     public boolean isIncognito() {
         return nativeIsIncognito(mNativeWebContentsAndroid);
     }
 
     @Override
     public void resumeResponseDeferredAtStart() {
         nativeResumeResponseDeferredAtStart(mNativeWebContentsAndroid);
     }
 
     @Override
@@ skipping 110 matching lines @@
     @Override
     public void evaluateJavaScript(String script, JavaScriptCallback callback) {
         nativeEvaluateJavaScript(mNativeWebContentsAndroid, script, callback);
     }
 
     @Override
     public void addMessageToDevToolsConsole(int level, String message) {
         nativeAddMessageToDevToolsConsole(mNativeWebContentsAndroid, level, message);
     }
 
+    @Override
+    public boolean hasAccessedInitialDocument() {
+        return nativeHasAccessedInitialDocument(mNativeWebContentsAndroid);
+    }
+
     @CalledByNative
     private static void onEvaluateJavaScriptResult(
             String jsonResult, JavaScriptCallback callback) {
         callback.handleJavaScriptResult(jsonResult);
     }
 
     // This is static to avoid exposing a public destroy method on the native side of this class.
     private static native void nativeDestroyWebContents(long webContentsAndroidPtr);
 
     private native String nativeGetTitle(long nativeWebContentsAndroid);
@@ skipping 12 matching lines @@
             String url, long nativeInterstitialPageDelegateAndroid);
     private native boolean nativeIsShowingInterstitialPage(long nativeWebContentsAndroid);
     private native boolean nativeIsRenderWidgetHostViewReady(long nativeWebContentsAndroid);
     private native void nativeExitFullscreen(long nativeWebContentsAndroid);
     private native void nativeUpdateTopControlsState(long nativeWebContentsAndroid,
             boolean enableHiding, boolean enableShowing, boolean animate);
     private native void nativeShowImeIfNeeded(long nativeWebContentsAndroid);
     private native void nativeScrollFocusedEditableNodeIntoView(long nativeWebContentsAndroid);
     private native void nativeSelectWordAroundCaret(long nativeWebContentsAndroid);
     private native String nativeGetURL(long nativeWebContentsAndroid);
+    private native String nativeGetLastCommittedURL(long nativeWebContentsAndroid);
     private native boolean nativeIsIncognito(long nativeWebContentsAndroid);
     private native void nativeResumeResponseDeferredAtStart(long nativeWebContentsAndroid);
     private native void nativeSetHasPendingNavigationTransitionForTesting(
             long nativeWebContentsAndroid);
     private native void nativeSetupTransitionView(long nativeWebContentsAndroid,
             String markup);
     private native void nativeBeginExitTransition(long nativeWebContentsAndroid,
             String cssSelector, boolean exitToNativeApp);
     private native void nativeRevertExitTransition(long nativeWebContentsAndroid);
     private native void nativeHideTransitionElements(long nativeWebContentsAndroid,
             String cssSelector);
     private native void nativeShowTransitionElements(long nativeWebContentsAndroid,
             String cssSelector);
     private native void nativeClearNavigationTransitionData(long nativeWebContentsAndroid);
     private native void nativeFetchTransitionElements(long nativeWebContentsAndroid, String url);
     private native void nativeEvaluateJavaScript(long nativeWebContentsAndroid,
             String script, JavaScriptCallback callback);
     private native void nativeAddMessageToDevToolsConsole(
             long nativeWebContentsAndroid, int level, String message);
+    private native boolean nativeHasAccessedInitialDocument(
+            long nativeWebContentsAndroid);
 }