Enable commands API for platform apps.

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

Index: chrome/browser/ui/cocoa/extensions/shell_window_cocoa.mm
diff --git a/chrome/browser/ui/cocoa/extensions/shell_window_cocoa.mm b/chrome/browser/ui/cocoa/extensions/shell_window_cocoa.mm
index 18a7d380ab781b883936bde36970c38e74c502b9..a2983732d18b21cc40ebca274e25d9902a3eb52d 100644
--- a/chrome/browser/ui/cocoa/extensions/shell_window_cocoa.mm
+++ b/chrome/browser/ui/cocoa/extensions/shell_window_cocoa.mm
@@ -9,6 +9,7 @@
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/cocoa/browser_window_utils.h"
 #import "chrome/browser/ui/cocoa/chrome_event_processing_window.h"
+#include "chrome/browser/ui/cocoa/extensions/extension_keybinding_registry_cocoa.h"
 #include "chrome/browser/ui/cocoa/extensions/extension_view_mac.h"
 #include "chrome/browser/ui/tab_contents/tab_contents.h"
 #include "chrome/common/extensions/extension.h"
@@ -77,6 +78,12 @@
   // No-op, swallow the event.
 }
 
+- (BOOL)handledByExtensionCommand:(NSEvent*)event {
+  if (shellWindow_)
+    return shellWindow_->HandledByExtensionCommand(event);
+  return NO;
+}
+
 @end
 
 @interface ShellNSWindow : ChromeEventProcessingWindow
@@ -170,6 +177,10 @@ ShellWindowCocoa::ShellWindowCocoa(ShellWindow* shell_window,
 
   [[window_controller_ window] setDelegate:window_controller_];
   [window_controller_ setShellWindow:this];
+
+  extension_keybinding_registry_.reset(
+      new ExtensionKeybindingRegistryCocoa(shell_window_->profile(), window,
+          extensions::ExtensionKeybindingRegistry::PLATFORM_APP_ONLY));
 }
 
 void ShellWindowCocoa::InstallView() {
@@ -452,6 +463,11 @@ void ShellWindowCocoa::WindowDidResignKey() {
     rwhv->SetActive(false);
 }
 
+bool ShellWindowCocoa::HandledByExtensionCommand(NSEvent* event) {
+  return extension_keybinding_registry_->ProcessKeyEvent(
+      content::NativeWebKeyboardEvent(event));
+}
+
 ShellWindowCocoa::~ShellWindowCocoa() {
 }