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

chrome/browser/ui/views/omnibox/omnibox_popup_contents_view.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/omnibox/omnibox_popup_contents_view.h"
 
 #include "chrome/browser/search/search.h"
 #include "chrome/browser/themes/theme_properties.h"
 #include "chrome/browser/ui/omnibox/omnibox_view.h"
 #include "chrome/browser/ui/views/location_bar/location_bar_view.h"
 #include "chrome/browser/ui/views/omnibox/omnibox_result_view.h"
 #include "chrome/browser/ui/views/omnibox/touch_omnibox_popup_contents_view.h"
 #include "grit/ui_resources.h"
 #include "ui/base/theme_provider.h"
 #include "ui/gfx/canvas.h"
 #include "ui/gfx/image/image.h"
 #include "ui/gfx/path.h"
 #include "ui/views/controls/image_view.h"
 #include "ui/views/widget/widget.h"
 #include "ui/views/window/non_client_view.h"
 
 #if defined(USE_AURA)
 #include "ui/views/corewm/window_animations.h"
 #endif
 
-namespace {
-
-// This is the number of pixels in the border image used to draw the bottom
-// border + drop shadow interior to the "visual" border. We lay out assuming
-// that this many pixels inside the border is "in the popup."
-const SkAlpha kGlassPopupAlpha = 240;
-const SkAlpha kOpaquePopupAlpha = 255;
-
 // This is the number of pixels in the border image interior to the actual
 // border.
 const int kBorderInterior = 6;
 
-}  // namespace
-
 class OmniboxPopupContentsView::AutocompletePopupWidget
     : public views::Widget,
       public base::SupportsWeakPtr<AutocompletePopupWidget> {
  public:
   AutocompletePopupWidget() {}
   virtual ~AutocompletePopupWidget() {}
 
  private:
   DISALLOW_COPY_AND_ASSIGN(AutocompletePopupWidget);
 };
@@ skipping 464 matching lines @@
   // OpenMatch() may close the popup, which will clear the result set and, by
   // extension, |match| and its contents.  So copy the relevant match out to
   // make sure it stays alive until the call completes.
   AutocompleteMatch match = model_->result().match_at(index);
   omnibox_view_->OpenMatch(match, disposition, GURL(), index);
 }
 
 OmniboxResultView* OmniboxPopupContentsView::result_view_at(size_t i) {
   return static_cast<OmniboxResultView*>(child_at(static_cast<int>(i)));
 }