Fixes for -Wunused-function on Linux, Android and ChromeOS

chrome/browser/ui/views/tabs/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/tab.h"
 
 #include <limits>
 
 #include "base/command_line.h"
 #include "base/debug/alias.h"
@@ skipping 264 matching lines @@
                     const gfx::Rect& bounds,
                     bool filter,
                     const SkPaint& paint) {
   // Center the image within bounds.
   int dst_x = bounds.x() - (icon_width - bounds.width()) / 2;
   int dst_y = bounds.y() - (icon_height - bounds.height()) / 2;
   DrawIconAtLocation(canvas, image, image_offset, dst_x, dst_y, icon_width,
                      icon_height, filter, paint);
 }
 
-// Draws the icon image at the bottom right corner of |bounds|.
-void DrawIconBottomRight(gfx::Canvas* canvas,
-                         const gfx::ImageSkia& image,
-                         int image_offset,
-                         int icon_width,
-                         int icon_height,
-                         const gfx::Rect& bounds,
-                         bool filter,
-                         const SkPaint& paint) {
-  int dst_x = bounds.x() + bounds.width() - icon_width;
-  int dst_y = bounds.y() + bounds.height() - icon_height;
-  DrawIconAtLocation(canvas, image, image_offset, dst_x, dst_y, icon_width,
-                     icon_height, filter, paint);
-}
-
 chrome::HostDesktopType GetHostDesktopType(views::View* view) {
   // Widget is NULL when tabs are detached.
   views::Widget* widget = view->GetWidget();
   return chrome::GetHostDesktopTypeForNativeView(
       widget ? widget->GetNativeView() : NULL);
 }
 
 }  // namespace
 
 ////////////////////////////////////////////////////////////////////////////////
@@ skipping 1477 matching lines @@
                          const gfx::ImageSkia& image) {
   DCHECK_NE(scale_factor, ui::SCALE_FACTOR_NONE);
   ImageCacheEntry entry;
   entry.resource_id = resource_id;
   entry.scale_factor = scale_factor;
   entry.image = image;
   image_cache_->push_front(entry);
   if (image_cache_->size() > kMaxImageCacheSize)
     image_cache_->pop_back();
 }