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

chrome/browser/ui/views/tabs/tab.cc

 // 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.
 
 #include "chrome/browser/ui/views/tabs/tab.h"
 
 #include <limits>
 
 #include "base/command_line.h"
 #include "base/debug/alias.h"
@@ skipping 222 matching lines @@
 // TabCloseButton
 //
 //  This is a Button subclass that causes middle clicks to be forwarded to the
 //  parent View by explicitly not handling them in OnMousePressed.
 class Tab::TabCloseButton : public views::ImageButton {
  public:
   explicit TabCloseButton(Tab* tab) : views::ImageButton(tab), tab_(tab) {}
   virtual ~TabCloseButton() {}
 
   // Overridden from views::View.
-  virtual View* GetEventHandlerForRect(const gfx::Rect& rect) OVERRIDE {
+  virtual View* GetEventHandlerForRect(const gfx::RectF& rect) OVERRIDE {
     if (!views::UsePointBasedTargeting(rect))
       return View::GetEventHandlerForRect(rect);
 
     // Ignore the padding set on the button.
     gfx::Rect contents_bounds = GetContentsBounds();
     contents_bounds.set_x(GetMirroredXForRect(contents_bounds));
 
     // TODO(tdanderson): Remove this ifdef if rect-based targeting
     // is turned on by default.
 #if defined(USE_ASH)
     // Include the padding in hit-test for touch events.
     if (aura::Env::GetInstance()->is_touch_down())
       contents_bounds = GetLocalBounds();
 #elif defined(OS_WIN)
     // TODO(sky): Use local-bounds if a touch-point is active.
     // http://crbug.com/145258
 #endif
 
-    return contents_bounds.Intersects(rect) ? this : parent();
+    return gfx::RectF(contents_bounds).Intersects(rect) ? this : parent();
   }
 
   // Overridden from views::View.
   virtual View* GetTooltipHandlerForPoint(const gfx::Point& point) OVERRIDE {
     // Tab close button has no children, so tooltip handler should be the same
     // as the event handler.
     // In addition, a hit test has to be performed for the point (as
     // GetTooltipHandlerForPoint() is responsible for it).
     if (!HitTestPoint(point))
       return NULL;
@@ skipping 1374 matching lines @@
                          const gfx::ImageSkia& image) {
   DCHECK_NE(scale_factor, ui::SCALE_FACTOR_NONE);
   ImageCacheEntry entry;
   entry.resource_id = resource_id;
   entry.scale_factor = scale_factor;
   entry.image = image;
   image_cache_->push_front(entry);
   if (image_cache_->size() > kMaxImageCacheSize)
     image_cache_->pop_back();
 }