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

content/browser/web_contents/web_contents_view_aura.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_WEB_CONTENTS_WEB_CONTENTS_VIEW_AURA_H_
 #define CONTENT_BROWSER_WEB_CONTENTS_WEB_CONTENTS_VIEW_AURA_H_
 
 #include <vector>
 
 #include "base/gtest_prod_util.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "content/browser/renderer_host/overscroll_controller_delegate.h"
 #include "content/browser/renderer_host/render_view_host_delegate_view.h"
 #include "content/browser/web_contents/web_contents_view.h"
 #include "content/common/content_export.h"
 #include "ui/aura/window_delegate.h"
 #include "ui/aura/window_observer.h"
 #include "ui/wm/public/drag_drop_delegate.h"
 
 namespace aura {
 class Window;
 }
 
 namespace ui {
 class DropTargetEvent;
+class TouchSelectionController;
 }
 
 namespace content {
 class GestureNavSimple;
 class OverscrollNavigationOverlay;
 class RenderWidgetHostImpl;
 class RenderWidgetHostViewAura;
 class ShadowLayerDelegate;
-class TouchEditableImplAura;
+class TouchSelectionControllerClientAura;
 class WebContentsViewDelegate;
 class WebContentsImpl;
 class WebDragDestDelegate;
 
 class WebContentsViewAura
     : public WebContentsView,
       public RenderViewHostDelegateView,
       public OverscrollControllerDelegate,
       public aura::WindowDelegate,
       public aura::client::DragDropDelegate,
       public aura::WindowObserver {
  public:
   WebContentsViewAura(WebContentsImpl* web_contents,
                       WebContentsViewDelegate* delegate);
 
-  CONTENT_EXPORT void SetTouchEditableForTest(
-      TouchEditableImplAura* touch_editable);
-
  private:
   class WindowObserver;
 
   ~WebContentsViewAura() override;
 
   void SizeChangedCommon(const gfx::Size& size);
 
   void EndDrag(blink::WebDragOperationsMask ops);
 
   void InstallOverscrollControllerDelegate(RenderWidgetHostViewAura* view);
 
   // Sets up the content window in preparation for starting an overscroll
   // gesture.
   void PrepareContentWindowForOverscroll();
 
   // Completes the navigation in response to a completed overscroll gesture.
   // The navigation happens after an animation (either the overlay window
   // animates in, or the content window animates out).
   void CompleteOverscrollNavigation(OverscrollMode mode);
 
-  void AttachTouchEditableToRenderView();
+  void OverscrollUpdateForWebContentsDelegate(float delta_y);
 
-  void OverscrollUpdateForWebContentsDelegate(float delta_y);
+  ui::TouchSelectionController* GetSelectionController() const;
+  TouchSelectionControllerClientAura* GetSelectionControllerClient() const;
 
   // Overridden from WebContentsView:
   gfx::NativeView GetNativeView() const override;
   gfx::NativeView GetContentNativeView() const override;
   gfx::NativeWindow GetTopLevelNativeWindow() const override;
   void GetContainerBounds(gfx::Rect* out) const override;
   void SizeContents(const gfx::Size& size) override;
   void Focus() override;
   void SetInitialFocus() override;
   void StoreFocus() override;
@@ skipping 100 matching lines @@
   OverscrollMode current_overscroll_gesture_;
 
   // This is the completed overscroll gesture. This is used for the animation
   // callback that happens in response to a completed overscroll gesture.
   OverscrollMode completed_overscroll_gesture_;
 
   // This manages the overlay window that shows the screenshot during a history
   // navigation triggered by the overscroll gesture.
   scoped_ptr<OverscrollNavigationOverlay> navigation_overlay_;
 
-  scoped_ptr<TouchEditableImplAura> touch_editable_;
   scoped_ptr<GestureNavSimple> gesture_nav_simple_;
 
   // On Windows we can run into problems if resources get released within the
   // initialization phase while the content (and its dimensions) are not known.
   bool is_or_was_visible_;
 
   DISALLOW_COPY_AND_ASSIGN(WebContentsViewAura);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_WEB_CONTENTS_WEB_CONTENTS_VIEW_AURA_H_