Factor out ContentViewAndroidDelegate

ui/android/view_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 UI_ANDROID_VIEW_ANDROID_H_
 #define UI_ANDROID_VIEW_ANDROID_H_
 
 #include "base/android/scoped_java_ref.h"
 #include "ui/android/ui_android_export.h"
+#include "ui/gfx/geometry/rect_f.h"
 
 namespace ui {
 
 class WindowAndroid;
 
 // This is a NativeView interface for getting access to
 // WindowAndroid(NativeWindow).
 class UI_ANDROID_EXPORT ViewAndroid {
  public:
   virtual WindowAndroid* GetWindowAndroid() const = 0;
 
   virtual base::android::ScopedJavaLocalRef<jobject>
       GetViewAndroidDelegate() const = 0 ;
 
+  virtual base::android::ScopedJavaLocalRef<jobject>
+      AcquireAnchorView(const gfx::RectF& bounds) = 0;
+
  protected:
   virtual ~ViewAndroid() {}
 };
 
 }  // namespace ui
 
 #endif  // UI_ANDROID_VIEW_ANDROID_H_