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

ui/views/controls/image_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_CONTROLS_IMAGE_VIEW_H_
 #define UI_VIEWS_CONTROLS_IMAGE_VIEW_H_
 
 #include "ui/gfx/image/image_skia.h"
 #include "ui/views/view.h"
 
@@ skipping 69 matching lines @@
   void SetFocusPainter(scoped_ptr<Painter> focus_painter);
 
   // Overriden from View:
   virtual gfx::Size GetPreferredSize() OVERRIDE;
   virtual void OnFocus() OVERRIDE;
   virtual void OnBlur() OVERRIDE;
   virtual void OnPaint(gfx::Canvas* canvas) OVERRIDE;
   virtual void GetAccessibleState(ui::AXViewState* state) OVERRIDE;
   virtual bool GetTooltipText(const gfx::Point& p,
                               base::string16* tooltip) const OVERRIDE;
-  virtual bool HitTestRect(const gfx::Rect& rect) const OVERRIDE;
+  virtual bool HitTestRect(const gfx::RectF& rect) const OVERRIDE;
 
  private:
   void OnPaintImage(gfx::Canvas* canvas);
 
   // Returns true if |img| is the same as the last image we painted. This is
   // intended to be a quick check, not exhaustive. In other words it's possible
   // for this to return false even though the images are in fact equal.
   bool IsImageEqual(const gfx::ImageSkia& img) const;
 
   // Compute the image origin given the desired size and the receiver alignment
@@ skipping 29 matching lines @@
   void* last_painted_bitmap_pixels_;
 
   scoped_ptr<views::Painter> focus_painter_;
 
   DISALLOW_COPY_AND_ASSIGN(ImageView);
 };
 
 }  // namespace views
 
 #endif  // UI_VIEWS_CONTROLS_IMAGE_VIEW_H_