Reland: Implement Aura side of unified touch text selection for contents

content/browser/renderer_host/render_widget_host_view_android.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_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_VIEW_ANDROID_H_
 #define CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_VIEW_ANDROID_H_
 
 #include <map>
 #include <queue>
 
@@ skipping 202 matching lines @@
 
   // ui::TouchSelectionControllerClient implementation.
   bool SupportsAnimation() const override;
   void SetNeedsAnimate() override;
   void MoveCaret(const gfx::PointF& position) override;
   void MoveRangeSelectionExtent(const gfx::PointF& extent) override;
   void SelectBetweenCoordinates(const gfx::PointF& base,
                                 const gfx::PointF& extent) override;
   void OnSelectionEvent(ui::SelectionEventType event) override;
   scoped_ptr<ui::TouchHandleDrawable> CreateDrawable() override;
+  void OnScrollStarted() override;
+  void OnScrollCompleted() override;

[sadrul, 2015/04/29 19:55:03]

optional: Would it make sense to call these OnSelectionScroll* instead of
OnScroll*? (with the current name, these look a bit awkward (and maybe
misleading) in RenderWidgetHostViewAndroid). I am not good with names though, so
maybe renaming isn't useful).

[mohsen, 2015/04/30 18:29:34]

I agree, that makes more sense. Done.

 
   // Non-virtual methods
   void SetContentViewCore(ContentViewCoreImpl* content_view_core);
   SkColor GetCachedBackgroundColor() const;
   void SendKeyEvent(const NativeWebKeyboardEvent& event);
   void SendMouseEvent(const blink::WebMouseEvent& event);
   void SendMouseWheelEvent(const blink::WebMouseWheelEvent& event);
   void SendGestureEvent(const blink::WebGestureEvent& event);
 
   void OnTextInputStateChanged(const ViewHostMsg_TextInputState_Params& params);
@@ skipping 197 matching lines @@
   gfx::Vector2dF last_scroll_offset_;
 
   base::WeakPtrFactory<RenderWidgetHostViewAndroid> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderWidgetHostViewAndroid);
 };
 
 } // namespace content
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_VIEW_ANDROID_H_