Cleanup: Remove unneeded forward declarations from chrome/browser/ui/gtk and chrome/browser/ui/co...

chrome/browser/ui/gtk/browser_window_gtk.h

 // Copyright (c) 2011 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.
 
 #ifndef CHROME_BROWSER_UI_GTK_BROWSER_WINDOW_GTK_H_
 #define CHROME_BROWSER_UI_GTK_BROWSER_WINDOW_GTK_H_
 #pragma once
 
 #include <gtk/gtk.h>
 
-#include <map>
+#include <string>
 
 #include "base/memory/scoped_ptr.h"
 #include "base/timer.h"
 #include "build/build_config.h"
 #include "chrome/browser/infobars/infobar_container.h"
 #include "chrome/browser/prefs/pref_member.h"
 #include "chrome/browser/tabs/tab_strip_model_observer.h"
 #include "chrome/browser/ui/browser_window.h"
 #include "ui/base/gtk/gtk_signal.h"
 #include "ui/base/ui_base_types.h"
 #include "ui/base/x/active_window_watcher_x.h"
 #include "ui/base/x/x11_util.h"
 #include "ui/gfx/rect.h"
 
 class BookmarkBarGtk;
 class Browser;
 class BrowserTitlebar;
 class BrowserToolbarGtk;
-class CustomDrawButton;
 class DownloadShelfGtk;
 class FindBarGtk;
 class FullscreenExitBubbleGtk;
 class GlobalMenuBar;
 class InfoBarContainerGtk;
 class LocationBar;
 class StatusBubbleGtk;
 class TabContentsContainerGtk;
 class TabStripGtk;
 
@@ skipping 481 matching lines @@
   // be called. This should only be enabled in tests where the debounce timeout
   // introduces timing issues (e.g. in OmniBoxApiTest it dismisses the
   // autocomplete popup before the results can be read) and the final window
   // position is unimportant.
   bool debounce_timer_disabled_;
 
   DISALLOW_COPY_AND_ASSIGN(BrowserWindowGtk);
 };
 
 #endif  // CHROME_BROWSER_UI_GTK_BROWSER_WINDOW_GTK_H_