mac: Allow WebContents key handling to supplant extension overrides of the bookmark shortcut.

chrome/browser/ui/cocoa/browser_window_controller.mm

 // Copyright 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.
 
 #import "chrome/browser/ui/cocoa/browser_window_controller.h"
 
 #include <cmath>
 #include <numeric>
 
 #include "base/command_line.h"
@@ skipping 1208 matching lines @@
       ui::WindowOpenDispositionFromNSEventWithFlags(
           [NSApp currentEvent], modifierFlags));
 }
 
 // Called when another part of the internal codebase needs to execute a
 // command.
 - (void)executeCommand:(int)command {
   chrome::ExecuteCommand(browser_.get(), command);
 }
 
-- (BOOL)handledByExtensionCommand:(NSEvent*)event {
+- (BOOL)handledByExtensionCommand:(NSEvent*)event
+    priority:(ui::AcceleratorManager::HandlerPriority)priority {
   return extension_keybinding_registry_->ProcessKeyEvent(
-      content::NativeWebKeyboardEvent(event));
+      content::NativeWebKeyboardEvent(event), priority);
 }
 
 // StatusBubble delegate method: tell the status bubble the frame it should
 // position itself in.
 - (NSRect)statusBubbleBaseFrame {
   NSView* view = [overlayableContentsController_ view];
   return [view convertRect:[view bounds] toView:nil];
 }
 
 - (void)updateToolbarWithContents:(WebContents*)tab {
@@ skipping 1049 matching lines @@
 
 - (BOOL)supportsBookmarkBar {
   return [self supportsWindowFeature:Browser::FEATURE_BOOKMARKBAR];
 }
 
 - (BOOL)isTabbedWindow {
   return browser_->is_type_tabbed();
 }
 
 @end  // @implementation BrowserWindowController(WindowType)