Android: Remove ContentViewCore::GetLayer() from public interface

content/browser/android/content_view_core_impl.h

 // Copyright 2012 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_ANDROID_CONTENT_VIEW_CORE_IMPL_H_
 #define CONTENT_BROWSER_ANDROID_CONTENT_VIEW_CORE_IMPL_H_
 
 #include <stdint.h>
 
 #include <memory>
@@ skipping 45 matching lines @@
       const base::android::JavaRef<jobject>& view_android_delegate,
       ui::WindowAndroid* window_android,
       jobject java_bridge_retained_object_set);
 
   // ContentViewCore implementation.
   base::android::ScopedJavaLocalRef<jobject> GetJavaObject() override;
   WebContents* GetWebContents() const override;
   ui::WindowAndroid* GetWindowAndroid() const override;
   const base::android::JavaRef<jobject>& GetViewAndroidDelegate()
       const override;
-  cc::Layer* GetLayer() const override;
   bool ShowPastePopup(int x, int y) override;
   void PauseOrResumeGeolocation(bool should_pause) override;
 
   void AddObserver(ContentViewCoreImplObserver* observer);
   void RemoveObserver(ContentViewCoreImplObserver* observer);
 
   // --------------------------------------------------------------------------
   // Methods called from Java via JNI
   // --------------------------------------------------------------------------
 
@@ skipping 397 matching lines @@
   scoped_refptr<GinJavaBridgeDispatcherHost> java_bridge_dispatcher_host_;
 
   DISALLOW_COPY_AND_ASSIGN(ContentViewCoreImpl);
 };
 
 bool RegisterContentViewCore(JNIEnv* env);
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_ANDROID_CONTENT_VIEW_CORE_IMPL_H_