Have WebContentsViewAndroid own ViewAndroid

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 38 matching lines @@
     //     cannot be garbage-collected and leak memory. Rewrite not to use them.
     //     see comments in crrev.com/2103243002.
     JavaObjectWeakGlobalRef view_;
     JavaObjectWeakGlobalRef delegate_;
 
     // Default copy/assign disabled by move constructor.
   };
 
   // A ViewAndroid may have its own delegate or otherwise will
   // use the next available parent's delegate.
   ViewAndroid(const base::android::JavaRef<jobject>& delegate);

[boliu, 2016/11/01 15:11:12]

fix blimp rather than adding this back

 
   ViewAndroid();
   virtual ~ViewAndroid();
 
   // Returns the window at the root of this hierarchy, or |null|
   // if disconnected.
   virtual WindowAndroid* GetWindowAndroid() const;
 
   // Used to return and set the layer for this view. May be |null|.
   cc::Layer* GetLayer() const;
   void SetLayer(scoped_refptr<cc::Layer> layer);
 
+  void SetDelegate(const base::android::JavaRef<jobject>& delegate);
+
   // Adds this view as a child of another view.
   void AddChild(ViewAndroid* child);
 
   // Detaches this view from its parent.
   void RemoveFromParent();
 
   bool StartDragAndDrop(const base::android::JavaRef<jstring>& jtext,
                         const base::android::JavaRef<jobject>& jimage);
 
   ScopedAnchorView AcquireAnchorView();
@@ skipping 15 matching lines @@
   std::list<ViewAndroid*> children_;
   scoped_refptr<cc::Layer> layer_;
   JavaObjectWeakGlobalRef delegate_;
 
   DISALLOW_COPY_AND_ASSIGN(ViewAndroid);
 };
 
 }  // namespace ui
 
 #endif  // UI_ANDROID_VIEW_ANDROID_H_