linux and chromeos: Turn on -Wunused-const-variable.

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 75 matching lines @@
 // our spacing to make it match.
 const int kLeftEdgeSpacing = 3;
 const int kRightEdgeSpacing = 2;
 
 // Ash doesn't use a rounded content area and its top edge has an extra shadow.
 const int kContentShadowHeightAsh = 2;
 
 // Non-ash uses a rounded content area with no shadow in the assets.
 const int kContentShadowHeight = 0;
 
-// Top margin for the wrench menu badges (badge is placed in the upper right
-// corner of the wrench menu).
-const int kBadgeTopMargin = 2;
-
 int GetButtonSpacing() {
   return (ui::GetDisplayLayout() == ui::LAYOUT_TOUCH) ?
       ToolbarView::kStandardSpacing : 0;
 }
 
 bool IsStreamlinedHostedAppsEnabled() {
   return CommandLine::ForCurrentProcess()->HasSwitch(
       switches::kEnableStreamlinedHostedApps);
 }
 
@@ skipping 690 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;
 }