Add the ability to focus a window to chrome.window.update().

chrome/browser/extensions/extension_tabs_module.cc

 // Copyright (c) 2009 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 "chrome/browser/extensions/extension_tabs_module.h"
 
 #include "app/gfx/codec/jpeg_codec.h"
 #include "base/base64.h"
 #include "base/string_util.h"
 #include "chrome/browser/browser.h"
@@ skipping 369 matching lines @@
   }
 
   if (update_props->HasKey(keys::kHeightKey)) {
     EXTENSION_FUNCTION_VALIDATE(update_props->GetInteger(
         keys::kHeightKey,
         &bounds_val));
     bounds.set_height(bounds_val);
   }
 
   browser->window()->SetBounds(bounds);
-  // TODO(rafaelw): Support |focused|.
+
+  if (update_props->HasKey(keys::kFocusedKey)) {
+    bool focused = false;
+    EXTENSION_FUNCTION_VALIDATE(update_props->GetBoolean(keys::kFocusedKey,
+                                                         &focused));
+    if (focused)
+      browser->window()->Activate();
+  }
+
   result_.reset(ExtensionTabUtil::CreateWindowValue(browser, false));
 
   return true;
 }
 
 bool RemoveWindowFunction::RunImpl() {
   int window_id;
   EXTENSION_FUNCTION_VALIDATE(args_->GetAsInteger(&window_id));
 
   Browser* browser = GetBrowserInProfileWithId(profile(), window_id, &error_);
@@ skipping 509 matching lines @@
   if (ExtensionTabUtil::GetTabById(tab_id, profile, browser, tab_strip,
                                    contents, tab_index))
     return true;
 
   if (error_message)
     *error_message = ExtensionErrorUtils::FormatErrorMessage(
         keys::kTabNotFoundError, IntToString(tab_id));
 
   return false;
 }