Removing ContentViewCore dependencies from few functions which acts as direct wrapper to WebContents

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.NavigationController;
 import org.chromium.content_public.browser.WebContents;
 
 /**
  * The WebContentsImpl Java wrapper to allow communicating with the native WebContentsImpl
  * object.
  */
 @JNINamespace("content")
 //TODO(tedchoc): Remove the package restriction once this class moves to a non-public content
 //               package whose visibility will be enforced via DEPS.
 /* package */ class WebContentsImpl implements WebContents {
 
     private long mNativeWebContentsAndroid;
     private NavigationController mNavigationController;
 
+    /**
+     * An interface that allows the embedder to be notified of navigation transition
+     * related events and respond to them.
+     */
+    public interface NavigationTransitionDelegate {
+        /**
+         * Called when the navigation is deferred immediately after the response started.
+         *
+         * @param enteringColor The background color of the entering document, as a String
+         *                      representing a legal CSS color value. This is inserted into
+         *                      the transition layer's markup after the entering stylesheets
+         *                      have been applied.
+         */
+        public void didDeferAfterResponseStarted(String enteringColor);
+
+        /**
+         * Called when a navigation transition has been detected, and we need to check
+         * if it's supported.
+         */
+        public boolean willHandleDeferAfterResponseStarted();
+
+        /**
+         * Called when the navigation is deferred immediately after the response
+         * started.
+         */
+        public void addEnteringStylesheetToTransition(String stylesheet);
+
+        /**
+         * Notifies that a navigation transition is started for a given frame.
+         * @param frameId A positive, non-zero integer identifying the navigating frame.
+         */
+        public void didStartNavigationTransitionForFrame(long frameId);
+    }
+
+    private NavigationTransitionDelegate mNavigationTransitionDelegate = null;
+
     private WebContentsImpl(
             long nativeWebContentsAndroid, NavigationController navigationController) {
         mNativeWebContentsAndroid = nativeWebContentsAndroid;
         mNavigationController = navigationController;
     }
 
     @CalledByNative
     private static WebContentsImpl create(
             long nativeWebContentsAndroid, NavigationController navigationController) {
         return new WebContentsImpl(nativeWebContentsAndroid, navigationController);
@@ skipping 95 matching lines @@
         // more efficient to do it this way and sometimes fire an unnecessary message rather
         // than synchronize with the renderer and always have an additional message.
         nativeScrollFocusedEditableNodeIntoView(mNativeWebContentsAndroid);
     }
 
     @Override
     public void selectWordAroundCaret() {
         nativeSelectWordAroundCaret(mNativeWebContentsAndroid);
     }
 
+    @Override
+    public String getUrl() {
+        return nativeGetURL(mNativeWebContentsAndroid);
+    }
+
+    @Override
+    public boolean isIncognito() {
+        return nativeIsIncognito(mNativeWebContentsAndroid);
+    }
+
+    @Override
+    public void resumeResponseDeferredAtStart() {
+         nativeResumeResponseDeferredAtStart(mNativeWebContentsAndroid);
+    }
+
+    @Override
+    public void setHasPendingNavigationTransitionForTesting() {
+         nativeSetHasPendingNavigationTransitionForTesting(mNativeWebContentsAndroid);
+    }
+
+    public void setNavigationTransitionDelegate(NavigationTransitionDelegate delegate) {
+        mNavigationTransitionDelegate = delegate;
+    }
+
+    @CalledByNative
+    private void didDeferAfterResponseStarted(String enteringColor) {
+        if (mNavigationTransitionDelegate != null ) {
+            mNavigationTransitionDelegate.didDeferAfterResponseStarted(enteringColor);
+        }
+    }
+
+    @CalledByNative
+    private boolean willHandleDeferAfterResponseStarted() {
+        if (mNavigationTransitionDelegate == null) return false;
+        return mNavigationTransitionDelegate.willHandleDeferAfterResponseStarted();
+    }
+
+    @CalledByNative
+    private void addEnteringStylesheetToTransition(String stylesheet) {
+        if (mNavigationTransitionDelegate != null ) {
+            mNavigationTransitionDelegate.addEnteringStylesheetToTransition(stylesheet);
+        }
+    }
+
     private native String nativeGetTitle(long nativeWebContentsAndroid);
     private native String nativeGetVisibleURL(long nativeWebContentsAndroid);
     private native void nativeStop(long nativeWebContentsAndroid);
     private native void nativeInsertCSS(long nativeWebContentsAndroid, String css);
     private native void nativeOnHide(long nativeWebContentsAndroid);
     private native void nativeOnShow(long nativeWebContentsAndroid);
     private native int nativeGetBackgroundColor(long nativeWebContentsAndroid);
     private native void nativeAddStyleSheetByURL(long nativeWebContentsAndroid,
             String url);
     private native void nativeShowInterstitialPage(long nativeWebContentsAndroid,
             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 boolean nativeIsIncognito(long nativeWebContentsAndroid);
+    private native void nativeResumeResponseDeferredAtStart(long nativeWebContentsAndroid);
+    private native void nativeSetHasPendingNavigationTransitionForTesting(
+            long nativeWebContentsAndroid);
 }