Capitalize "Cocoa" in c/b/ui/cocoa/extensions/.

chrome/browser/ui/cocoa/extensions/browser_action_button_interactive_uitest.mm

 // Copyright 2015 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.
 
 #import <Cocoa/Cocoa.h>
 
 #include "base/memory/scoped_ptr.h"
 #include "chrome/browser/extensions/extension_action_test_util.h"
 #include "chrome/browser/extensions/extension_browsertest.h"
 #include "chrome/browser/extensions/extension_service.h"
@@ skipping 32 matching lines @@
   base::RunLoop runLoop;
   ui_controls::SendMouseMoveNotifyWhenDone(
       centerPoint.x, centerPoint.y, runLoop.QuitClosure());
   runLoop.Run();
 }
 
 }  // namespace
 
 // A simple helper menu delegate that will keep track of if a menu is opened,
 // and closes them immediately (which is useful because message loops with
-// menus open in cocoa don't play nicely with testing).
+// menus open in Cocoa don't play nicely with testing).
 @interface MenuHelper : NSObject<NSMenuDelegate> {
   // Whether or not a menu has been opened. This can be reset so the helper can
   // be used multiple times.
   BOOL menuOpened_;
 }
 
 // Bare-bones init.
 - (id)init;
 
 @property(nonatomic, assign) BOOL menuOpened;
@@ skipping 132 matching lines @@
   // Move the mouse over the wrench button.
   NSView* wrenchButton = [toolbarController wrenchButton];
   ASSERT_TRUE(wrenchButton);
   MoveMouseToCenter(wrenchButton);
 
   {
     // No menu yet (on the browser action).
     EXPECT_FALSE([menuHelper menuOpened]);
     base::RunLoop runLoop;
     // Click on the wrench menu, and pass in a callback to continue the test
-    // in ClickOnOverflowedAction (Due to the blocking nature of cocoa menus,
+    // in ClickOnOverflowedAction (Due to the blocking nature of Cocoa menus,
     // passing in runLoop.QuitClosure() is not sufficient here.)
     ui_controls::SendMouseEventsNotifyWhenDone(
         ui_controls::LEFT, ui_controls::DOWN | ui_controls::UP,
         base::Bind(&ClickOnOverflowedAction,
                    base::Unretained(toolbarController),
                    runLoop.QuitClosure()));
     runLoop.Run();
     // The menu should have opened. Note that the menu opened on the main bar's
-    // action button, not the overflow's. Since cocoa doesn't support running
+    // action button, not the overflow's. Since Cocoa doesn't support running
     // a menu-within-a-menu, this is what has to happen.
     EXPECT_TRUE([menuHelper menuOpened]);
   }
 }