Let PowerSaveBlocker manager anchor view in Java side

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 <list>
 
 #include "base/android/jni_weak_ref.h"
@@ skipping 68 matching lines @@
   // Detaches this view from its parent.
   void RemoveFromParent();
 
   void StartDragAndDrop(const base::android::JavaRef<jstring>& jtext,
                         const base::android::JavaRef<jobject>& jimage);
 
   ScopedAnchorView AcquireAnchorView();
   void SetAnchorRect(const base::android::JavaRef<jobject>& anchor,
                      const gfx::RectF& bounds);
 
+  // Returns the Java delegate for this view. This is used to delegate work
+  // up to the embedding view (or the embedder that can deal with the
+  // implementation details).
+  const JavaObjectWeakGlobalRef GetViewAndroidDelegate() const;
+
  protected:
   ViewAndroid* parent_;
 
  private:
   void RemoveChild(ViewAndroid* child);
 
-  // Returns the Java delegate for this view. This is used to delegate work
-  // up to the embedding view (or the embedder that can deal with the
-  // implementation details).
-  const base::android::ScopedJavaLocalRef<jobject>
-      GetViewAndroidDelegate() const;
-
   std::list<ViewAndroid*> children_;
   scoped_refptr<cc::Layer> layer_;
   JavaObjectWeakGlobalRef delegate_;
 
   DISALLOW_COPY_AND_ASSIGN(ViewAndroid);
 };
 
 }  // namespace ui
 
 #endif  // UI_ANDROID_VIEW_ANDROID_H_