Replace instances of LINUX2 with OS_CHROMEOS and linux2 with chromeos.

chrome/browser/gtk/browser_window_gtk.h

 // Copyright (c) 2009 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_GTK_BROWSER_WINDOW_GTK_H_
 #define CHROME_BROWSER_GTK_BROWSER_WINDOW_GTK_H_
 
 #include <gtk/gtk.h>
 
 #include <map>
@@ skipping 14 matching lines @@
 class BrowserToolbarGtk;
 class CustomDrawButton;
 class DownloadShelfGtk;
 class FindBarGtk;
 class InfoBarContainerGtk;
 class LocationBar;
 class StatusBubbleGtk;
 class TabContentsContainerGtk;
 class TabStripGtk;
 
-#ifdef LINUX2
+#ifdef OS_CHROMEOS
 class PanelController;
 #endif
 
 // An implementation of BrowserWindow for GTK.
 // Cross-platform code will interact with this object when
 // it needs to manipulate the window.
 
 class BrowserWindowGtk : public BrowserWindow,
                          public NotificationObserver,
                          public TabStripModelObserver {
@@ skipping 79 matching lines @@
 
   // Returns false if we're not ready to close yet.  E.g., a tab may have an
   // onbeforeunload handler that prevents us from closing.
   bool CanClose() const;
 
   bool ShouldShowWindowIcon() const;
 
   // Add the find bar widget to the window hierarchy.
   void AddFindBar(FindBarGtk* findbar);
 
-#if defined(LINUX2)
+#if defined(OS_CHROMEOS)
   // Sets whether a drag is active. If a drag is active the window will not
   // close.
   void set_drag_active(bool drag_active) { drag_active_ = drag_active; }
 #endif
 
   // Reset the mouse cursor to the default cursor if it was set to something
   // else for the custom frame.
   void ResetCustomFrameCursor();
 
   // Returns the BrowserWindowGtk registered with |window|.
@@ skipping 143 matching lines @@
   // The container for info bars. Always non-NULL.
   scoped_ptr<InfoBarContainerGtk> infobar_container_;
 
   // The timer used to update frames for the Loading Animation.
   base::RepeatingTimer<BrowserWindowGtk> loading_animation_timer_;
 
   // Whether we're showing the custom chrome frame or the window manager
   // decorations.
   BooleanPrefMember use_custom_frame_;
 
-#if defined(LINUX2)
+#if defined(OS_CHROMEOS)
   // True if a drag is active. See description above setter for details.
   bool drag_active_;
   // Controls interactions with the window manager for popup panels.
   PanelController* panel_controller_;
 #endif
 
   // A map which translates an X Window ID into its respective GtkWindow.
   static std::map<XID, GtkWindow*> xid_map_;
 
   // The current window cursor.  We set it to a resize cursor when over the
   // custom frame border.  We set it to NULL if we want the default cursor.
   GdkCursor* frame_cursor_;
 
   DISALLOW_COPY_AND_ASSIGN(BrowserWindowGtk);
 };
 
 #endif  // CHROME_BROWSER_GTK_BROWSER_WINDOW_GTK_H_