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

ui/views/controls/label.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 "ui/views/controls/label.h"
 
 #include <algorithm>
 #include <cmath>
 #include <limits>
 #include <vector>
@@ skipping 271 matching lines @@
   // implementation should be used.
   if (!View::HitTestRect(gfx::Rect(point, gfx::Size(1, 1))))
     return NULL;
 
   if (tooltip_text_.empty() && !ShouldShowDefaultTooltip())
     return NULL;
 
   return this;
 }
 
-bool Label::HitTestRect(const gfx::Rect& rect) const {
+bool Label::HitTestRect(const gfx::RectF& rect) const {
   return false;
 }
 
 bool Label::GetTooltipText(const gfx::Point& p, base::string16* tooltip) const {
   DCHECK(tooltip);
 
   // If a tooltip has been explicitly set, use it.
   if (!tooltip_text_.empty()) {
     tooltip->assign(tooltip_text_);
     return true;
@@ skipping 254 matching lines @@
     cached_heights_[i] = gfx::Size();
 }
 
 bool Label::ShouldShowDefaultTooltip() const {
   return !is_multi_line_ && !is_obscured_ &&
          gfx::GetStringWidth(layout_text(), font_list_) >
              GetAvailableRect().width();
 }
 
 }  // namespace views