Navigation transitions (web to native app): Pass data after starting provisional load (Chrome side)

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 210 matching lines @@
     }
 
     @CalledByNative
     private void addEnteringStylesheetToTransition(String stylesheet) {
         if (mNavigationTransitionDelegate != null) {
             mNavigationTransitionDelegate.addEnteringStylesheetToTransition(stylesheet);
         }
     }
 
     @CalledByNative
-    private void didStartNavigationTransitionForFrame(long frameId) {
+    private void didStartNavigationTransitionForFrame(long frameId, String cssSelector) {
         if (mNavigationTransitionDelegate != null) {
-            mNavigationTransitionDelegate.didStartNavigationTransitionForFrame(frameId);
+            mNavigationTransitionDelegate.didStartNavigationTransitionForFrame(
+                    frameId, cssSelector);
         }
     }
 
+    @CalledByNative
+    private void addNavigationTransitionElements(String name, int x, int y, int width, int height) {
+        if (mNavigationTransitionDelegate != null) {
+            mNavigationTransitionDelegate.addNavigationTransitionElements(
+                    name, x, y, width, height);
+        }
+    }
+
     @Override
     public void evaluateJavaScript(String script, JavaScriptCallback callback) {
         nativeEvaluateJavaScript(mNativeWebContentsAndroid, script, callback);
     }
 
     @CalledByNative
     private static void onEvaluateJavaScriptResult(
             String jsonResult, JavaScriptCallback callback) {
         callback.handleJavaScriptResult(jsonResult);
     }
@@ skipping 35 matching lines @@
     private native void nativeSetupTransitionView(long nativeWebContentsAndroid,
             String markup);
     private native void nativeBeginExitTransition(long nativeWebContentsAndroid,
             String cssSelector);
     private native void nativeClearNavigationTransitionData(long nativeWebContentsAndroid);
     private native void nativeEvaluateJavaScript(long nativeWebContentsAndroid,
             String script, JavaScriptCallback callback);
     private native void nativePostMessageToFrame(long nativeWebContentsAndroid, String frameId,
             String message, String sourceOrigin, String targetOrigin);
 }