Navigation transitions (web to native app): Hide/Show transition elements (Chrome side)

content/browser/web_contents/web_contents_android.h

 // 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.
 
 #ifndef CONTENT_BROWSER_WEB_CONTENTS_WEB_CONTENTS_ANDROID_H_
 #define CONTENT_BROWSER_WEB_CONTENTS_WEB_CONTENTS_ANDROID_H_
 
 #include <jni.h>
 
 #include "base/android/scoped_java_ref.h"
@@ skipping 36 matching lines @@
 
   void Stop(JNIEnv* env, jobject obj);
   jint GetBackgroundColor(JNIEnv* env, jobject obj);
   base::android::ScopedJavaLocalRef<jstring> GetURL(JNIEnv* env, jobject) const;
   jboolean IsIncognito(JNIEnv* env, jobject obj);
 
   void ResumeResponseDeferredAtStart(JNIEnv* env, jobject obj);
   void SetHasPendingNavigationTransitionForTesting(JNIEnv* env, jobject obj);
   void SetupTransitionView(JNIEnv* env, jobject jobj, jstring markup);
   void BeginExitTransition(JNIEnv* env, jobject jobj, jstring css_selector);
+  void HideTransitionElements(JNIEnv* env, jobject jobj, jstring css_selector);
+  void ShowTransitionElements(JNIEnv* env, jobject jobj, jstring css_selector);
   void ClearNavigationTransitionData(JNIEnv* env, jobject jobj);
 
   // This method is invoked when the request is deferred immediately after
   // receiving response headers.
   void DidDeferAfterResponseStarted(const TransitionLayerData& transition_data);
 
   // This method is invoked when a navigation transition is detected, to
   // determine if the embedder intends to handle it.
   bool WillHandleDeferAfterResponseStarted();
 
@@ skipping 34 matching lines @@
   WebContents* web_contents_;
   NavigationControllerAndroid navigation_controller_;
   base::android::ScopedJavaGlobalRef<jobject> obj_;
 
   DISALLOW_COPY_AND_ASSIGN(WebContentsAndroid);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_WEB_CONTENTS_WEB_CONTENTS_ANDROID_H_