Add EventForwarder for routing touch events

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 91 matching lines @@
   bool 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);
 
   // This may return null.
   base::android::ScopedJavaLocalRef<jobject> GetContainerView();
 
+  // Virtual for testing.
+  virtual float GetDipScale();
+
  protected:
   // Internal implementation of ViewClient forwarding calls to the interface.
   bool OnTouchEventInternal(const MotionEventData& event);
 
-  // Virtual for testing.
-  virtual float GetDipScale();
-
   ViewAndroid* parent_;
 
  private:
   // Returns true only if this is of type |ViewRoot|.
   bool IsViewRoot();
 
   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
@@ skipping 14 matching lines @@
   bool match_parent_;  // Bounds matches that of the parent if true.
 
   gfx::Vector2dF content_offset_;  // In CSS pixel.
 
   DISALLOW_COPY_AND_ASSIGN(ViewAndroid);
 };
 
 }  // namespace ui
 
 #endif  // UI_ANDROID_VIEW_ANDROID_H_