ui/gfx: Convert Canvas::DrawFocusRect() to use gfx::Rect.

ui/gfx/canvas.h

 // Copyright (c) 2011 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_GFX_CANVAS_H_
 #define UI_GFX_CANVAS_H_
 #pragma once
 
 #include <string>
 
@@ skipping 187 matching lines @@
   // Draws text with the specified color, font and location. The last argument
   // specifies flags for how the text should be rendered. It can be one of
   // TEXT_ALIGN_CENTER, TEXT_ALIGN_RIGHT or TEXT_ALIGN_LEFT.
   virtual void DrawStringInt(const string16& text,
                              const gfx::Font& font,
                              const SkColor& color,
                              int x, int y, int w, int h,
                              int flags) = 0;
 
   // Draws a dotted gray rectangle used for focus purposes.
-  virtual void DrawFocusRect(int x, int y, int width, int height) = 0;
+  virtual void DrawFocusRect(const gfx::Rect& rect) = 0;
 
   // Tiles the image in the specified region.
   virtual void TileImageInt(const SkBitmap& bitmap,
                             int x, int y, int w, int h) = 0;
   virtual void TileImageInt(const SkBitmap& bitmap,
                             int src_x, int src_y,
                             int dest_x, int dest_y, int w, int h) = 0;
 
   // Returns a native drawing context for platform specific drawing routines to
   // use. Must be balanced by a call to EndPlatformPaint().
@@ skipping 34 matching lines @@
   // Returns the rectangle that is invalid.
   virtual gfx::Rect GetInvalidRect() const = 0;
 
   // Returns the underlying Canvas.
   virtual Canvas* AsCanvas() = 0;
 };
 
 }  // namespace gfx;
 
 #endif  // UI_GFX_CANVAS_H_