Revert of Implement Aura side of unified touch text selection for contents

content/browser/web_contents/web_contents_view_aura.h

Index: content/browser/web_contents/web_contents_view_aura.h
diff --git a/content/browser/web_contents/web_contents_view_aura.h b/content/browser/web_contents/web_contents_view_aura.h
index 0d84b5acb5ca6d9fa829b62dceded4a59e84fb23..451618134703c828aa62f57f91cf8fb58a5cbe6b 100644
--- a/content/browser/web_contents/web_contents_view_aura.h
+++ b/content/browser/web_contents/web_contents_view_aura.h
@@ -24,7 +24,6 @@
 
 namespace ui {
 class DropTargetEvent;
-class TouchSelectionController;
 }
 
 namespace content {
@@ -33,7 +32,7 @@
 class RenderWidgetHostImpl;
 class RenderWidgetHostViewAura;
 class ShadowLayerDelegate;
-class TouchSelectionControllerClientAura;
+class TouchEditableImplAura;
 class WebContentsViewDelegate;
 class WebContentsImpl;
 class WebDragDestDelegate;
@@ -49,6 +48,9 @@
   WebContentsViewAura(WebContentsImpl* web_contents,
                       WebContentsViewDelegate* delegate);
 
+  CONTENT_EXPORT void SetTouchEditableForTest(
+      TouchEditableImplAura* touch_editable);
+
  private:
   class WindowObserver;
 
@@ -69,10 +71,9 @@
   // animates in, or the content window animates out).
   void CompleteOverscrollNavigation(OverscrollMode mode);
 
+  void AttachTouchEditableToRenderView();
+
   void OverscrollUpdateForWebContentsDelegate(float delta_y);
-
-  ui::TouchSelectionController* GetSelectionController() const;
-  TouchSelectionControllerClientAura* GetSelectionControllerClient() const;
 
   // Overridden from WebContentsView:
   gfx::NativeView GetNativeView() const override;
@@ -193,6 +194,7 @@
   // 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