views: Remove unused PaintLock API.

ui/views/view.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 UI_VIEWS_VIEW_H_
 #define UI_VIEWS_VIEW_H_
 
 #include <algorithm>
 #include <map>
 #include <set>
@@ skipping 1096 matching lines @@
   // the views hierarchy. The above function gives the class the flexibility to
   // decide which object should be used to obtain the children, but this
   // function makes the decision explicit.
   std::string DoPrintViewGraph(bool first, View* view_with_children);
 #endif
 
  private:
   friend class internal::RootView;
   friend class FocusManager;
   friend class Widget;
-  friend class PaintLock;
 
   // Used to track a drag. RootView passes this into
   // ProcessMousePressed/Dragged.
   struct DragInfo {
     // Sets possible_drag to false and start_x/y to 0. This is invoked by
     // RootView prior to invoke ProcessMousePressed.
     void Reset();
 
     // Sets possible_drag to true and start_pt to the specified point.
     // This is invoked by the target view if it detects the press may generate
@@ skipping 103 matching lines @@
   bool ConvertPointForAncestor(const View* ancestor, gfx::Point* point) const;
 
   // Convert a point in the ancestor's coordinate system to the view's
   // coordinate system using necessary transformations. Returns whether the
   // point was successfully from the ancestor's coordinate system to the view's
   // coordinate system.
   bool ConvertPointFromAncestor(const View* ancestor, gfx::Point* point) const;
 
   // Accelerated painting ------------------------------------------------------
 
-  // Disables painting during time critical operations. Used by PaintLock.
-  // TODO(vollick) Ideally, the widget would not dispatch paints into the
-  // hierarchy during time critical operations and this would not be needed.
-  void set_painting_enabled(bool enabled) { painting_enabled_ = enabled; }
-
   // Creates the layer and related fields for this view.
   void CreateLayer();
 
   // Parents all un-parented layers within this view's hierarchy to this view's
   // layer.
   void UpdateParentLayers();
 
   // Updates the view's layer's parent. Called when a view is added to a view
   // hierarchy, responsible for parenting the view's layer to the enclosing
   // layer in the hierarchy.
@@ skipping 109 matching lines @@
 
   // This View's bounds in the parent coordinate system.
   gfx::Rect bounds_;
 
   // Whether this view is visible.
   bool visible_;
 
   // Whether this view is enabled.
   bool enabled_;
 
-  // Whether this view is painting.
-  bool painting_enabled_;
-
   // When this flag is on, a View receives a mouse-enter and mouse-leave event
   // even if a descendant View is the event-recipient for the real mouse
   // events. When this flag is turned on, and mouse moves from outside of the
   // view into a child view, both the child view and this view receives
   // mouse-enter event. Similarly, if the mouse moves from inside a child view
   // and out of this view, then both views receive a mouse-leave event.
   // When this flag is turned off, if the mouse moves from inside this view into
   // a child view, then this view receives a mouse-leave event. When this flag
   // is turned on, it does not receive the mouse-leave event in this case.
   // When the mouse moves from inside the child view out of the child view but
@@ skipping 89 matching lines @@
   base::win::ScopedComPtr<NativeViewAccessibilityWin>
       native_view_accessibility_win_;
 #endif
 
   DISALLOW_COPY_AND_ASSIGN(View);
 };
 
 }  // namespace views
 
 #endif  // UI_VIEWS_VIEW_H_