Notify the Chrome metro driver component when a full screen toggle is occurring. The metro driver i…

chrome/browser/ui/views/frame/browser_frame_win.cc

Index: chrome/browser/ui/views/frame/browser_frame_win.cc
===================================================================
--- chrome/browser/ui/views/frame/browser_frame_win.cc	(revision 151513)
+++ chrome/browser/ui/views/frame/browser_frame_win.cc	(working copy)
@@ -65,6 +65,7 @@
 typedef void (*SetFrameWindow)(HWND window);
 typedef void (*CloseFrameWindow)(HWND window);
 typedef void (*FlipFrameWindows)();
+typedef void (*MetroSetFullscreen)(bool fullscreen);
 }
 #endif  // USE_AURA
 
@@ -289,7 +290,23 @@
     Show();
 }
 
+void BrowserFrameWin::SetFullscreen(bool fullscreen) {
+  if (base::win::IsMetroProcess()) {
+    HMODULE metro = base::win::GetMetroModule();
+    if (metro) {
+      MetroSetFullscreen set_full_screen = reinterpret_cast<MetroSetFullscreen>(
+        ::GetProcAddress(metro, "SetFullscreen"));
+      DCHECK(set_full_screen);
+      if (set_full_screen)
+        set_full_screen(fullscreen);
+    } else {
+      NOTREACHED() << "Failed to get metro driver module";
+    }
+  }
+  views::NativeWidgetWin::SetFullscreen(fullscreen);
+}
 
+
 ////////////////////////////////////////////////////////////////////////////////
 // BrowserFrameWin, NativeBrowserFrame implementation: