views: Fix a bunch of dchecks.

chrome/browser/ui/views/tabs/base_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/base_tab.h"
 
 #include <limits>
 
 #include "base/command_line.h"
 #include "base/debug/alias.h"
@@ skipping 570 matching lines @@
 
 void BaseTab::AnimationEnded(const ui::Animation* animation) {
   SchedulePaint();
 }
 
 void BaseTab::ButtonPressed(views::Button* sender, const ui::Event& event) {
   const CloseTabSource source =
       (event.type() == ui::ET_MOUSE_RELEASED &&
        (event.flags() & ui::EF_FROM_TOUCH) == 0) ? CLOSE_TAB_FROM_MOUSE :
       CLOSE_TAB_FROM_TOUCH;
-  DCHECK(sender == close_button_);
+  DCHECK_EQ(close_button_, sender);
   controller()->CloseTab(this, source);
 }
 
 void BaseTab::ShowContextMenuForView(views::View* source,
                                      const gfx::Point& point) {
   if (controller() && !closing())
     controller()->ShowContextMenuForTab(this, point);
 }
 
 int BaseTab::loading_animation_frame() const {
@@ skipping 54 matching lines @@
 // static
 void BaseTab::InitResources() {
   static bool initialized = false;
   if (!initialized) {
     initialized = true;
     ui::ResourceBundle& rb = ui::ResourceBundle::GetSharedInstance();
     font_ = new gfx::Font(rb.GetFont(ui::ResourceBundle::BaseFont));
     font_height_ = font_->GetHeight();
   }
 }