Preliminary metro snap plumbing.

chrome/browser/ui/fullscreen_controller.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/fullscreen_controller.h"
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/message_loop.h"
 #include "chrome/browser/content_settings/host_content_settings_map.h"
@@ skipping 152 matching lines @@
         // was not caused by it (i.e., previously it was in "browser fullscreen"
         // mode), we need to switch back to "browser fullscreen" mode. In this
         // case, all we have to do is notifying the tab that it has exited "tab
         // fullscreen" mode.
         NotifyTabOfExitIfNecessary();
       }
     }
   }
 }
 
+#if defined(OS_WIN)
+void FullscreenController::ToggleMetroSnapMode(bool enable) {

[sky, 2012/06/11 17:04:31]

Since this takes a boolean, it shouldn't be Toggle, but rather Set. This comment
applies to all the places you're adding the function.

[robertshield, 2012/06/11 21:06:57]

Done.

+  window_->ToggleMetroSnapMode(enable);
+}
+#endif
+
 #if defined(OS_MACOSX)
 void FullscreenController::TogglePresentationMode() {
   TogglePresentationModeInternal(false);
 }
 #endif
 
 void FullscreenController::ToggleFullscreenMode() {
   extension_caused_fullscreen_ = GURL();
   ToggleFullscreenModeInternal(false);
 }
@@ skipping 323 matching lines @@
     window_->ExitFullscreen();
     extension_caused_fullscreen_ = GURL();
   }
   UpdateFullscreenExitBubbleContent();
 
   // Once the window has become fullscreen it'll call back to
   // WindowFullscreenStateChanged(). We don't do this immediately as
   // BrowserWindow::EnterFullscreen() asks for bookmark_bar_state_, so we let
   // the BrowserWindow invoke WindowFullscreenStateChanged when appropriate.
 }