Mac content shell: Implement CrApplication.

content/shell/shell_application_mac.mm

Index: content/shell/shell_application_mac.mm
diff --git a/content/shell/shell_application_mac.mm b/content/shell/shell_application_mac.mm
new file mode 100644
index 0000000000000000000000000000000000000000..8e816aa95217915382c76409ad8c7cb3e82e75ff
--- /dev/null
+++ b/content/shell/shell_application_mac.mm
@@ -0,0 +1,24 @@
+// 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 "content/shell/shell_application_mac.h"
+
+@implementation ShellCrApplication
+
+- (BOOL)isHandlingSendEvent {
+  return handlingSendEvent_;
+}
+
+- (void)sendEvent:(NSEvent*)event {
+  BOOL wasHandlingSendEvent = handlingSendEvent_;
+  handlingSendEvent_ = YES;
+  [super sendEvent:event];
+  handlingSendEvent_ = wasHandlingSendEvent;
+}
+
+- (void)setHandlingSendEvent:(BOOL)handlingSendEvent {
+  handlingSendEvent_ = handlingSendEvent;
+}
+
+@end