[Mac] Remove content/ CrApplication.

content/plugin/plugin_main_mac.mm

Index: content/plugin/plugin_main_mac.mm
diff --git a/content/plugin/plugin_main_mac.mm b/content/plugin/plugin_main_mac.mm
index c5a3cc3a0efce28c020c959438835d434abca5f7..6d28fd8349b57d4f8a3e143a736f7e50ac951543 100644
--- a/content/plugin/plugin_main_mac.mm
+++ b/content/plugin/plugin_main_mac.mm
@@ -2,10 +2,11 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
+#import <AppKit/AppKit.h>
+
 #include "base/environment.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/string_util.h"
-#include "content/common/chrome_application_mac.h"
 #include "content/common/plugin_carbon_interpose_constants_mac.h"
 #include "content/plugin/plugin_interpose_util_mac.h"
 
@@ -44,7 +45,6 @@ void TrimInterposeEnvironment() {
 #endif
 
 void InitializeChromeApplication() {
-  [CrApplication sharedApplication];
-
+  [NSApplication sharedApplication];
   mac_plugin_interposing::SetUpCocoaInterposing();
 }