Clean up unused constant globals

chrome/browser/ui/gtk/tabs/tab_strip_gtk.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/gtk/tabs/tab_strip_gtk.h"
 
 #include <gtk/gtk.h>
 
 #include <algorithm>
 #include <string>
@@ skipping 40 matching lines @@
 #include "ui/gfx/point.h"
 
 using content::UserMetricsAction;
 using content::WebContents;
 
 namespace {
 
 const int kDefaultAnimationDurationMs = 100;
 const int kResizeLayoutAnimationDurationMs = 166;
 const int kReorderAnimationDurationMs = 166;
-const int kAnimateToBoundsDurationMs = 150;
 const int kMiniTabAnimationDurationMs = 150;
 
 const int kNewTabButtonHOffset = -5;
 const int kNewTabButtonVOffset = 5;
 
 // The delay between when the mouse leaves the tabstrip and the resize animation
 // is started.
 const int kResizeTabsTimeMs = 300;
 
 // A very short time just to make sure we don't clump up our Layout() calls
 // during slow window resizes.
 const int kLayoutAfterSizeAllocateMs = 10;
 
 // The range outside of the tabstrip where the pointer must enter/leave to
 // start/stop the resize animation.
 const int kTabStripAnimationVSlop = 40;
 
-const int kHorizontalMoveThreshold = 16;  // pixels
-
 // The horizontal offset from one tab to the next, which results in overlapping
 // tabs.
 const int kTabHOffset = -16;
 
 // Inverse ratio of the width of a tab edge to the width of the tab. When
 // hovering over the left or right edge of a tab, the drop indicator will
 // point between tabs.
 const int kTabEdgeRatioInverse = 4;
 
 // Size of the drop indicator.
@@ skipping 2177 matching lines @@
 
 void TabStripGtk::SetNewTabButtonBackground() {
   SkColor color = theme_service_->GetColor(
       ThemeProperties::COLOR_BUTTON_BACKGROUND);
   SkBitmap background = theme_service_->GetImageNamed(
       IDR_THEME_WINDOW_CONTROL_BACKGROUND).AsBitmap();
   SkBitmap mask = theme_service_->GetImageNamed(
       IDR_NEWTAB_BUTTON_MASK).AsBitmap();
   newtab_button_->SetBackground(color, background, mask);
 }