linux_aura: Improve window drag performance.

chrome/browser/ui/views/toolbar_view.cc

 // Copyright 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/toolbar_view.h"
 
 #include "base/command_line.h"
 #include "base/debug/trace_event.h"
 #include "base/i18n/number_formatting.h"
 #include "base/prefs/pref_service.h"
@@ skipping 314 matching lines @@
 
 bool ToolbarView::GetAcceleratorInfo(int id, ui::Accelerator* accel) {
   return GetWidget()->GetAccelerator(id, accel);
 }
 
 ////////////////////////////////////////////////////////////////////////////////
 // ToolbarView, views::MenuButtonListener implementation:
 
 void ToolbarView::OnMenuButtonClicked(views::View* source,
                                       const gfx::Point& point) {
-  TRACE_EVENT0("ui::views", "ToolbarView::OnMenuButtonClicked");
+  TRACE_EVENT0("views", "ToolbarView::OnMenuButtonClicked");
   DCHECK_EQ(VIEW_ID_APP_MENU, source->id());
 
   bool use_new_menu = false;
   bool supports_new_separators = false;
   // TODO: remove this.
 #if defined(USE_AURA)
   supports_new_separators =
       GetNativeTheme() == ui::NativeThemeAura::instance();
   use_new_menu = supports_new_separators;
 #endif
@@ skipping 465 matching lines @@
 
 void ToolbarView::OnShowHomeButtonChanged() {
   Layout();
   SchedulePaint();
 }
 
 int ToolbarView::content_shadow_height() const {
   return browser_->host_desktop_type() == chrome::HOST_DESKTOP_TYPE_ASH ?
       kContentShadowHeightAsh : kContentShadowHeight;
 }