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

content/public/browser/android/content_view_core.h

 // Copyright (c) 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_PUBLIC_BROWSER_ANDROID_CONTENT_VIEW_CORE_H_
 #define CONTENT_PUBLIC_BROWSER_ANDROID_CONTENT_VIEW_CORE_H_
 
 #include <jni.h>
 
 #include "base/android/scoped_java_ref.h"
@@ skipping 13 matching lines @@
 }
 
 namespace ui {
 class WindowAndroid;
 }
 
 namespace content {
 
 class WebContents;
 
-// Native side of the ContentViewCore.java, which is the primary way of
-// communicating with the native Chromium code on Android.  This is a
-// public interface used by native code outside of the content module.
+// DEPRECATED. Do not add methods.
+// Refer to the public WebContents interface or elsewhere instead.
 class CONTENT_EXPORT ContentViewCore {
  public:
   // Returns the existing ContentViewCore for |web_contents|, or nullptr.
   static ContentViewCore* FromWebContents(WebContents* web_contents);
-  static ContentViewCore* GetNativeContentViewCore(JNIEnv* env, jobject obj);
 
   virtual WebContents* GetWebContents() const = 0;
 
   // May return null reference.
   virtual base::android::ScopedJavaLocalRef<jobject> GetJavaObject() = 0;
   virtual bool ShowPastePopup(int x, int y) = 0;
 
   virtual void PauseOrResumeGeolocation(bool should_pause) = 0;
 
   virtual ui::WindowAndroid* GetWindowAndroid() const = 0;
   virtual const base::android::JavaRef<jobject>& GetViewAndroidDelegate()
       const = 0;
-  virtual cc::Layer* GetLayer() const = 0;
 
  protected:
  ~ContentViewCore() {}
 };
 
 };  // namespace content
 
 #endif  // CONTENT_PUBLIC_BROWSER_ANDROID_CONTENT_VIEW_CORE_H_