Preliminary metro snap plumbing.

chrome/browser/ui/fullscreen_controller.cc

Index: chrome/browser/ui/fullscreen_controller.cc
diff --git a/chrome/browser/ui/fullscreen_controller.cc b/chrome/browser/ui/fullscreen_controller.cc
index 72c3ec212ef87632cae726a76b858cafbc3ffd44..b87532864a24622f99ea67f8d293d9fec6f61530 100644
--- a/chrome/browser/ui/fullscreen_controller.cc
+++ b/chrome/browser/ui/fullscreen_controller.cc
@@ -58,6 +58,12 @@ bool FullscreenController::IsFullscreenForTabOrPending(
   return true;
 }
 
+#if defined(OS_WIN)
+bool FullscreenController::IsInMetroSnapMode() {
+  return window_->IsInMetroSnapMode();
+}
+#endif
+
 bool FullscreenController::IsMouseLockRequested() const {
   return mouse_lock_state_ == MOUSELOCK_REQUESTED;
 }
@@ -170,6 +176,12 @@ void FullscreenController::ToggleFullscreenModeForTab(WebContents* web_contents,
   }
 }
 
+#if defined(OS_WIN)
+void FullscreenController::SetMetroSnapMode(bool enable) {
+  window_->SetMetroSnapMode(enable);
+}
+#endif
+
 #if defined(OS_MACOSX)
 void FullscreenController::TogglePresentationMode() {
   TogglePresentationModeInternal(false);