views: Update event-related API to use PointF/RectF instead of Point/Rect.

ui/views/controls/label.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_CONTROLS_LABEL_H_
 #define UI_VIEWS_CONTROLS_LABEL_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 167 matching lines @@
   // Overridden to compute the size required to display this label.
   virtual gfx::Size GetPreferredSize() OVERRIDE;
   // Returns the width of an ellipsis if the label is non-empty, or 0 otherwise.
   virtual gfx::Size GetMinimumSize() OVERRIDE;
   // Returns the height necessary to display this label with the provided width.
   // This method is used to layout multi-line labels. It is equivalent to
   // GetPreferredSize().height() if the receiver is not multi-line.
   virtual int GetHeightForWidth(int w) OVERRIDE;
   virtual const char* GetClassName() const OVERRIDE;
   virtual View* GetTooltipHandlerForPoint(const gfx::Point& point) OVERRIDE;
-  virtual bool HitTestRect(const gfx::Rect& rect) const OVERRIDE;
+  virtual bool HitTestRect(const gfx::RectF& rect) const OVERRIDE;
   virtual void GetAccessibleState(ui::AXViewState* state) OVERRIDE;
   // Gets the tooltip text for labels that are wider than their bounds, except
   // when the label is multiline, in which case it just returns false (no
   // tooltip).  If a custom tooltip has been specified with SetTooltipText()
   // it is returned instead.
   virtual bool GetTooltipText(const gfx::Point& p,
                               base::string16* tooltip) const OVERRIDE;
 
  protected:
   // Called by Paint to paint the text.  Override this to change how
@@ skipping 100 matching lines @@
   // The cached heights to avoid recalculation in GetHeightForWidth().
   std::vector<gfx::Size> cached_heights_;
   int cached_heights_cursor_;
 
   DISALLOW_COPY_AND_ASSIGN(Label);
 };
 
 }  // namespace views
 
 #endif  // UI_VIEWS_CONTROLS_LABEL_H_