Revert revision 176015

chrome/browser/extensions/api/tabs/tabs_api.cc

Index: chrome/browser/extensions/api/tabs/tabs_api.cc
===================================================================
--- chrome/browser/extensions/api/tabs/tabs_api.cc	(revision 176052)
+++ chrome/browser/extensions/api/tabs/tabs_api.cc	(working copy)
@@ -1,2136 +0,0 @@
-// Copyright (c) 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.
-
-#include "chrome/browser/extensions/api/tabs/tabs_api.h"
-
-#include <algorithm>
-#include <limits>
-#include <vector>
-
-#include "base/base64.h"
-#include "base/bind.h"
-#include "base/command_line.h"
-#include "base/logging.h"
-#include "base/memory/ref_counted_memory.h"
-#include "base/message_loop.h"
-#include "base/stl_util.h"
-#include "base/string16.h"
-#include "base/string_number_conversions.h"
-#include "base/string_util.h"
-#include "base/stringprintf.h"
-#include "base/utf_string_conversions.h"
-#include "chrome/browser/extensions/api/tabs/tabs_constants.h"
-#include "chrome/browser/extensions/extension_function_dispatcher.h"
-#include "chrome/browser/extensions/extension_function_util.h"
-#include "chrome/browser/extensions/extension_host.h"
-#include "chrome/browser/extensions/extension_service.h"
-#include "chrome/browser/extensions/extension_tab_util.h"
-#include "chrome/browser/extensions/file_reader.h"
-#include "chrome/browser/extensions/script_executor.h"
-#include "chrome/browser/extensions/tab_helper.h"
-#include "chrome/browser/extensions/window_controller.h"
-#include "chrome/browser/extensions/window_controller_list.h"
-#include "chrome/browser/prefs/incognito_mode_prefs.h"
-#include "chrome/browser/prefs/pref_service.h"
-#include "chrome/browser/profiles/profile.h"
-#include "chrome/browser/translate/translate_tab_helper.h"
-#include "chrome/browser/ui/browser.h"
-#include "chrome/browser/ui/browser_commands.h"
-#include "chrome/browser/ui/browser_finder.h"
-#include "chrome/browser/ui/browser_list.h"
-#include "chrome/browser/ui/browser_navigator.h"
-#include "chrome/browser/ui/browser_tabstrip.h"
-#include "chrome/browser/ui/browser_window.h"
-#include "chrome/browser/ui/extensions/shell_window.h"
-#include "chrome/browser/ui/host_desktop.h"
-#include "chrome/browser/ui/panels/panel_manager.h"
-#include "chrome/browser/ui/snapshot_tab_helper.h"
-#include "chrome/browser/ui/tabs/tab_strip_model.h"
-#include "chrome/browser/ui/window_sizer/window_sizer.h"
-#include "chrome/browser/web_applications/web_app.h"
-#include "chrome/common/chrome_notification_types.h"
-#include "chrome/common/chrome_switches.h"
-#include "chrome/common/extensions/api/tabs.h"
-#include "chrome/common/extensions/api/windows.h"
-#include "chrome/common/extensions/extension.h"
-#include "chrome/common/extensions/extension_constants.h"
-#include "chrome/common/extensions/extension_file_util.h"
-#include "chrome/common/extensions/extension_l10n_util.h"
-#include "chrome/common/extensions/extension_manifest_constants.h"
-#include "chrome/common/extensions/extension_messages.h"
-#include "chrome/common/extensions/message_bundle.h"
-#include "chrome/common/extensions/user_script.h"
-#include "chrome/common/pref_names.h"
-#include "chrome/common/url_constants.h"
-#include "content/public/browser/navigation_controller.h"
-#include "content/public/browser/navigation_entry.h"
-#include "content/public/browser/notification_details.h"
-#include "content/public/browser/notification_source.h"
-#include "content/public/browser/render_view_host.h"
-#include "content/public/browser/render_widget_host_view.h"
-#include "content/public/browser/web_contents.h"
-#include "content/public/browser/web_contents_view.h"
-#include "content/public/common/url_constants.h"
-#include "extensions/common/constants.h"
-#include "extensions/common/error_utils.h"
-#include "skia/ext/image_operations.h"
-#include "skia/ext/platform_canvas.h"
-#include "third_party/skia/include/core/SkBitmap.h"
-#include "ui/base/models/list_selection_model.h"
-#include "ui/base/ui_base_types.h"
-#include "ui/gfx/codec/jpeg_codec.h"
-#include "ui/gfx/codec/png_codec.h"
-
-#if defined(OS_WIN)
-#include "win8/util/win8_util.h"
-#endif  // OS_WIN
-
-namespace Get = extensions::api::windows::Get;
-namespace GetAll = extensions::api::windows::GetAll;
-namespace GetCurrent = extensions::api::windows::GetCurrent;
-namespace GetLastFocused = extensions::api::windows::GetLastFocused;
-namespace errors = extension_manifest_errors;
-namespace keys = extensions::tabs_constants;
-
-using content::BrowserThread;
-using content::NavigationController;
-using content::NavigationEntry;
-using content::OpenURLParams;
-using content::Referrer;
-using content::RenderViewHost;
-using content::WebContents;
-using extensions::ErrorUtils;
-using extensions::ScriptExecutor;
-using extensions::UserScript;
-using extensions::WindowController;
-using extensions::WindowControllerList;
-using extensions::api::tabs::InjectDetails;
-
-const int TabsCaptureVisibleTabFunction::kDefaultQuality = 90;
-
-namespace {
-
-// |error_message| can optionally be passed in a will be set with an appropriate
-// message if the window cannot be found by id.
-Browser* GetBrowserInProfileWithId(Profile* profile,
-                                   const int window_id,
-                                   bool include_incognito,
-                                   std::string* error_message) {
-  Profile* incognito_profile =
-      include_incognito && profile->HasOffTheRecordProfile() ?
-          profile->GetOffTheRecordProfile() : NULL;
-  for (BrowserList::const_iterator browser = BrowserList::begin();
-       browser != BrowserList::end(); ++browser) {
-    if (((*browser)->profile() == profile ||
-         (*browser)->profile() == incognito_profile) &&
-        ExtensionTabUtil::GetWindowId(*browser) == window_id &&
-        ((*browser)->window()))
-      return *browser;
-  }
-
-  if (error_message)
-    *error_message = ErrorUtils::FormatErrorMessage(
-        keys::kWindowNotFoundError, base::IntToString(window_id));
-
-  return NULL;
-}
-
-bool GetBrowserFromWindowID(
-    UIThreadExtensionFunction* function, int window_id, Browser** browser) {
-  if (window_id == extension_misc::kCurrentWindowId) {
-    *browser = function->GetCurrentBrowser();
-    if (!(*browser) || !(*browser)->window()) {
-      function->SetError(keys::kNoCurrentWindowError);
-      return false;
-    }
-  } else {
-    std::string error;
-    *browser = GetBrowserInProfileWithId(
-        function->profile(), window_id, function->include_incognito(), &error);
-    if (!*browser) {
-      function->SetError(error);
-      return false;
-    }
-  }
-  return true;
-}
-
-bool GetWindowFromWindowID(UIThreadExtensionFunction* function,
-                           int window_id,
-                           WindowController** controller) {
-  if (window_id == extension_misc::kCurrentWindowId) {
-    WindowController* extension_window_controller =
-        function->dispatcher()->delegate()->GetExtensionWindowController();
-    // If there is a window controller associated with this extension, use that.
-    if (extension_window_controller) {
-      *controller = extension_window_controller;
-    } else {
-      // Otherwise get the focused or most recently added window.
-      *controller = WindowControllerList::GetInstance()->
-          CurrentWindowForFunction(function);
-    }
-    if (!(*controller)) {
-      function->SetError(keys::kNoCurrentWindowError);
-      return false;
-    }
-  } else {
-    *controller = WindowControllerList::GetInstance()->
-        FindWindowForFunctionById(function, window_id);
-    if (!(*controller)) {
-      function->SetError(ErrorUtils::FormatErrorMessage(
-          keys::kWindowNotFoundError, base::IntToString(window_id)));
-      return false;
-    }
-  }
-  return true;
-}
-
-// |error_message| can optionally be passed in and will be set with an
-// appropriate message if the tab cannot be found by id.
-bool GetTabById(int tab_id,
-                Profile* profile,
-                bool include_incognito,
-                Browser** browser,
-                TabStripModel** tab_strip,
-                content::WebContents** contents,
-                int* tab_index,
-                std::string* error_message) {
-  if (ExtensionTabUtil::GetTabById(tab_id, profile, include_incognito,
-                                   browser, tab_strip, contents, tab_index))
-    return true;
-
-  if (error_message)
-    *error_message = ErrorUtils::FormatErrorMessage(
-        keys::kTabNotFoundError, base::IntToString(tab_id));
-
-  return false;
-}
-
-// A three state enum to distinguish between when a boolean query argument is
-// set or not.
-enum QueryArg {
-  NOT_SET = -1,
-  MATCH_FALSE,
-  MATCH_TRUE
-};
-
-bool MatchesQueryArg(QueryArg arg, bool value) {
-  if (arg == NOT_SET)
-    return true;
-
-  return (arg == MATCH_TRUE && value) || (arg == MATCH_FALSE && !value);
-}
-
-QueryArg ParseBoolQueryArg(base::DictionaryValue* query, const char* key) {
-  if (query->HasKey(key)) {
-    bool value = false;
-    CHECK(query->GetBoolean(key, &value));
-    return value ? MATCH_TRUE : MATCH_FALSE;
-  }
-  return NOT_SET;
-}
-
-Browser* CreateBrowserWindow(const Browser::CreateParams& params,
-                             Profile* profile,
-                             const std::string& extension_id) {
-  bool use_existing_browser_window = false;
-
-#if defined(OS_WIN)
-  // In windows 8 metro mode we don't allow windows to be created.
-  if (win8::IsSingleWindowMetroMode())
-    use_existing_browser_window = true;
-#endif  // OS_WIN
-
-  Browser* new_window = NULL;
-  if (use_existing_browser_window)
-    // The false parameter passed below is to ensure that we find a browser
-    // object matching the profile passed in, instead of the original profile
-    new_window = chrome::FindTabbedBrowser(profile, false,
-                                           params.host_desktop_type);
-
-  if (!new_window)
-    new_window = new Browser(params);
-  return new_window;
-}
-
-}  // namespace
-
-// Windows ---------------------------------------------------------------------
-
-bool WindowsGetFunction::RunImpl() {
-  scoped_ptr<Get::Params> params(Get::Params::Create(*args_));
-  EXTENSION_FUNCTION_VALIDATE(params.get());
-
-  bool populate_tabs = false;
-  if (params->get_info.get() && params->get_info->populate.get())
-    populate_tabs = *params->get_info->populate;
-
-  WindowController* controller;
-  if (!GetWindowFromWindowID(this, params->window_id, &controller))
-    return false;
-
-  if (populate_tabs)
-    SetResult(controller->CreateWindowValueWithTabs(GetExtension()));
-  else
-    SetResult(controller->CreateWindowValue());
-  return true;
-}
-
-bool WindowsGetCurrentFunction::RunImpl() {
-  scoped_ptr<GetCurrent::Params> params(GetCurrent::Params::Create(*args_));
-  EXTENSION_FUNCTION_VALIDATE(params.get());
-
-  bool populate_tabs = false;
-  if (params->get_info.get() && params->get_info->populate.get())
-    populate_tabs = *params->get_info->populate;
-
-  WindowController* controller;
-  if (!GetWindowFromWindowID(this,
-                             extension_misc::kCurrentWindowId,
-                             &controller)) {
-    return false;
-  }
-  if (populate_tabs)
-    SetResult(controller->CreateWindowValueWithTabs(GetExtension()));
-  else
-    SetResult(controller->CreateWindowValue());
-  return true;
-}
-
-bool WindowsGetLastFocusedFunction::RunImpl() {
-  scoped_ptr<GetLastFocused::Params> params(
-      GetLastFocused::Params::Create(*args_));
-  EXTENSION_FUNCTION_VALIDATE(params.get());
-
-  bool populate_tabs = false;
-  if (params->get_info.get() && params->get_info->populate.get())
-    populate_tabs = *params->get_info->populate;
-
-  // Note: currently this returns the last active browser. If we decide to
-  // include other window types (e.g. panels), we will need to add logic to
-  // WindowControllerList that mirrors the active behavior of BrowserList.
-  Browser* browser = chrome::FindAnyBrowser(
-      profile(), include_incognito(), chrome::GetActiveDesktop());
-  if (!browser || !browser->window()) {
-    error_ = keys::kNoLastFocusedWindowError;
-    return false;
-  }
-  WindowController* controller =
-      browser->extension_window_controller();
-  if (populate_tabs)
-    SetResult(controller->CreateWindowValueWithTabs(GetExtension()));
-  else
-    SetResult(controller->CreateWindowValue());
-  return true;
-}
-
-bool WindowsGetAllFunction::RunImpl() {
-  scoped_ptr<GetAll::Params> params(GetAll::Params::Create(*args_));
-  EXTENSION_FUNCTION_VALIDATE(params.get());
-
-  bool populate_tabs = false;
-  if (params->get_info.get() && params->get_info->populate.get())
-    populate_tabs = *params->get_info->populate;
-
-  ListValue* window_list = new ListValue();
-  const WindowControllerList::ControllerList& windows =
-      WindowControllerList::GetInstance()->windows();
-  for (WindowControllerList::ControllerList::const_iterator iter =
-           windows.begin();
-       iter != windows.end(); ++iter) {
-    if (!this->CanOperateOnWindow(*iter))
-      continue;
-    if (populate_tabs)
-      window_list->Append((*iter)->CreateWindowValueWithTabs(GetExtension()));
-    else
-      window_list->Append((*iter)->CreateWindowValue());
-  }
-  SetResult(window_list);
-  return true;
-}
-
-bool WindowsCreateFunction::ShouldOpenIncognitoWindow(
-    const base::DictionaryValue* args,
-    std::vector<GURL>* urls,
-    bool* is_error) {
-  *is_error = false;
-  const IncognitoModePrefs::Availability incognito_availability =
-      IncognitoModePrefs::GetAvailability(profile_->GetPrefs());
-  bool incognito = false;
-  if (args && args->HasKey(keys::kIncognitoKey)) {
-    EXTENSION_FUNCTION_VALIDATE(args->GetBoolean(keys::kIncognitoKey,
-                                                 &incognito));
-    if (incognito && incognito_availability == IncognitoModePrefs::DISABLED) {
-      error_ = keys::kIncognitoModeIsDisabled;
-      *is_error = true;
-      return false;
-    }
-    if (!incognito && incognito_availability == IncognitoModePrefs::FORCED) {
-      error_ = keys::kIncognitoModeIsForced;
-      *is_error = true;
-      return false;
-    }
-  } else if (incognito_availability == IncognitoModePrefs::FORCED) {
-    // If incognito argument is not specified explicitly, we default to
-    // incognito when forced so by policy.
-    incognito = true;
-  }
-
-  // Remove all URLs that are not allowed in an incognito session. Note that a
-  // ChromeOS guest session is not considered incognito in this case.
-  if (incognito && !profile_->IsGuestSession()) {
-    std::string first_url_erased;
-    for (size_t i = 0; i < urls->size();) {
-      if (chrome::IsURLAllowedInIncognito((*urls)[i], profile())) {
-        i++;
-      } else {
-        if (first_url_erased.empty())
-          first_url_erased = (*urls)[i].spec();
-        urls->erase(urls->begin() + i);
-      }
-    }
-    if (urls->empty() && !first_url_erased.empty()) {
-      error_ = ErrorUtils::FormatErrorMessage(
-          keys::kURLsNotAllowedInIncognitoError, first_url_erased);
-      *is_error = true;
-      return false;
-    }
-  }
-  return incognito;
-}
-
-bool WindowsCreateFunction::RunImpl() {
-  DictionaryValue* args = NULL;
-  std::vector<GURL> urls;
-  WebContents* contents = NULL;
-
-  if (HasOptionalArgument(0))
-    EXTENSION_FUNCTION_VALIDATE(args_->GetDictionary(0, &args));
-
-  // Look for optional url.
-  if (args) {
-    if (args->HasKey(keys::kUrlKey)) {
-      Value* url_value;
-      std::vector<std::string> url_strings;
-      args->Get(keys::kUrlKey, &url_value);
-
-      // First, get all the URLs the client wants to open.
-      if (url_value->IsType(Value::TYPE_STRING)) {
-        std::string url_string;
-        url_value->GetAsString(&url_string);
-        url_strings.push_back(url_string);
-      } else if (url_value->IsType(Value::TYPE_LIST)) {
-        const ListValue* url_list = static_cast<const ListValue*>(url_value);
-        for (size_t i = 0; i < url_list->GetSize(); ++i) {
-          std::string url_string;
-          EXTENSION_FUNCTION_VALIDATE(url_list->GetString(i, &url_string));
-          url_strings.push_back(url_string);
-        }
-      }
-
-      // Second, resolve, validate and convert them to GURLs.
-      for (std::vector<std::string>::iterator i = url_strings.begin();
-           i != url_strings.end(); ++i) {
-        GURL url = ExtensionTabUtil::ResolvePossiblyRelativeURL(
-            *i, GetExtension());
-        if (!url.is_valid()) {
-          error_ = ErrorUtils::FormatErrorMessage(
-              keys::kInvalidUrlError, *i);
-          return false;
-        }
-        // Don't let the extension crash the browser or renderers.
-        if (ExtensionTabUtil::IsCrashURL(url)) {
-          error_ = keys::kNoCrashBrowserError;
-          return false;
-        }
-        urls.push_back(url);
-      }
-    }
-  }
-
-  // Look for optional tab id.
-  if (args) {
-    int tab_id = -1;
-    if (args->HasKey(keys::kTabIdKey)) {
-      EXTENSION_FUNCTION_VALIDATE(args->GetInteger(keys::kTabIdKey, &tab_id));
-
-      // Find the tab and detach it from the original window.
-      TabStripModel* source_tab_strip = NULL;
-      int tab_index = -1;
-      if (!GetTabById(tab_id, profile(), include_incognito(),
-                      NULL, &source_tab_strip,
-                      NULL, &tab_index, &error_))
-        return false;
-      contents = source_tab_strip->DetachWebContentsAt(tab_index);
-      if (!contents) {
-        error_ = ErrorUtils::FormatErrorMessage(
-            keys::kTabNotFoundError, base::IntToString(tab_id));
-        return false;
-      }
-    }
-  }
-
-  Profile* window_profile = profile();
-  Browser::Type window_type = Browser::TYPE_TABBED;
-
-  // panel_create_mode only applies if window is TYPE_PANEL.
-  PanelManager::CreateMode panel_create_mode = PanelManager::CREATE_AS_DOCKED;
-
-  gfx::Rect window_bounds;
-  bool focused = true;
-  bool saw_focus_key = false;
-  std::string extension_id;
-
-  // Decide whether we are opening a normal window or an incognito window.
-  bool is_error = true;
-  bool open_incognito_window = ShouldOpenIncognitoWindow(args, &urls,
-                                                         &is_error);
-  if (is_error) {
-    // error_ member variable is set inside of ShouldOpenIncognitoWindow.
-    return false;
-  }
-  if (open_incognito_window) {
-    window_profile = window_profile->GetOffTheRecordProfile();
-  }
-
-  if (args) {
-    // Figure out window type before figuring out bounds so that default
-    // bounds can be set according to the window type.
-    std::string type_str;
-    if (args->HasKey(keys::kWindowTypeKey)) {
-      EXTENSION_FUNCTION_VALIDATE(args->GetString(keys::kWindowTypeKey,
-                                                  &type_str));
-      if (type_str == keys::kWindowTypeValuePopup) {
-        window_type = Browser::TYPE_POPUP;
-        extension_id = GetExtension()->id();
-      } else if (type_str == keys::kWindowTypeValuePanel ||
-                 type_str == keys::kWindowTypeValueDetachedPanel) {
-        extension_id = GetExtension()->id();
-        bool use_panels = false;
-#if !defined(OS_ANDROID)
-        use_panels = PanelManager::ShouldUsePanels(extension_id);
-#endif
-        if (use_panels) {
-          window_type = Browser::TYPE_PANEL;
-#if !defined(OS_CHROMEOS)
-          // Non-ChromeOS has both docked and detached panel types.
-          if (type_str == keys::kWindowTypeValueDetachedPanel)
-            panel_create_mode = PanelManager::CREATE_AS_DETACHED;
-#endif
-        } else {
-          window_type = Browser::TYPE_POPUP;
-        }
-      } else if (type_str != keys::kWindowTypeValueNormal) {
-        error_ = keys::kInvalidWindowTypeError;
-        return false;
-      }
-    }
-
-    // Initialize default window bounds according to window type.
-    // In ChromiumOS the default popup bounds is 0x0 which indicates default
-    // window sizes in PanelBrowserView. In other OSs use the same default
-    // bounds as windows.
-#if !defined(OS_CHROMEOS)
-    if (Browser::TYPE_TABBED == window_type ||
-        Browser::TYPE_POPUP == window_type) {
-#else
-    if (Browser::TYPE_TABBED == window_type) {
-#endif
-      // Try to position the new browser relative to its originating
-      // browser window. The call offsets the bounds by kWindowTilePixels
-      // (defined in WindowSizer to be 10).
-      //
-      // NOTE(rafaelw): It's ok if GetCurrentBrowser() returns NULL here.
-      // GetBrowserWindowBounds will default to saved "default" values for
-      // the app.
-      ui::WindowShowState show_state = ui::SHOW_STATE_DEFAULT;
-      WindowSizer::GetBrowserWindowBoundsAndShowState(std::string(),
-                                                      gfx::Rect(),
-                                                      GetCurrentBrowser(),
-                                                      &window_bounds,
-                                                      &show_state);
-    }
-
-    if (Browser::TYPE_PANEL == window_type &&
-        PanelManager::CREATE_AS_DETACHED == panel_create_mode) {
-      window_bounds.set_origin(
-          PanelManager::GetInstance()->GetDefaultDetachedPanelOrigin());
-    }
-
-    // Any part of the bounds can optionally be set by the caller.
-    int bounds_val = -1;
-    if (args->HasKey(keys::kLeftKey)) {
-      EXTENSION_FUNCTION_VALIDATE(args->GetInteger(keys::kLeftKey,
-                                                   &bounds_val));
-      window_bounds.set_x(bounds_val);
-    }
-
-    if (args->HasKey(keys::kTopKey)) {
-      EXTENSION_FUNCTION_VALIDATE(args->GetInteger(keys::kTopKey,
-                                                   &bounds_val));
-      window_bounds.set_y(bounds_val);
-    }
-
-    if (args->HasKey(keys::kWidthKey)) {
-      EXTENSION_FUNCTION_VALIDATE(args->GetInteger(keys::kWidthKey,
-                                                   &bounds_val));
-      window_bounds.set_width(bounds_val);
-    }
-
-    if (args->HasKey(keys::kHeightKey)) {
-      EXTENSION_FUNCTION_VALIDATE(args->GetInteger(keys::kHeightKey,
-                                                   &bounds_val));
-      window_bounds.set_height(bounds_val);
-    }
-
-    if (args->HasKey(keys::kFocusedKey)) {
-      EXTENSION_FUNCTION_VALIDATE(args->GetBoolean(keys::kFocusedKey,
-                                                   &focused));
-      saw_focus_key = true;
-    }
-  }
-
-#if !defined(OS_CHROMEOS)
-  if (window_type == Browser::TYPE_PANEL) {
-    std::string title =
-        web_app::GenerateApplicationNameFromExtensionId(extension_id);
-    // Note: Panels ignore all but the first url provided.
-    Panel* panel = PanelManager::GetInstance()->CreatePanel(
-        title, window_profile, urls[0], window_bounds, panel_create_mode);
-
-    // Unlike other window types, Panels do not take focus by default.
-    if (!saw_focus_key || !focused)
-      panel->ShowInactive();
-    else
-      panel->Show();
-
-    SetResult(
-        panel->extension_window_controller()->CreateWindowValueWithTabs(
-            GetExtension()));
-    return true;
-  }
-#endif
-
-  // Create a new BrowserWindow.
-  chrome::HostDesktopType host_desktop_type = chrome::GetActiveDesktop();
-  Browser::CreateParams create_params(window_type, window_profile,
-                                      host_desktop_type);
-  if (extension_id.empty()) {
-    create_params.initial_bounds = window_bounds;
-  } else {
-    create_params = Browser::CreateParams::CreateForApp(
-        window_type,
-        web_app::GenerateApplicationNameFromExtensionId(extension_id),
-        window_bounds,
-        window_profile);
-  }
-  create_params.initial_show_state = ui::SHOW_STATE_NORMAL;
-  create_params.host_desktop_type = chrome::GetActiveDesktop();
-
-  Browser* new_window = CreateBrowserWindow(create_params, window_profile,
-                                            extension_id);
-
-  for (std::vector<GURL>::iterator i = urls.begin(); i != urls.end(); ++i) {
-    WebContents* tab = chrome::AddSelectedTabWithURL(
-        new_window, *i, content::PAGE_TRANSITION_LINK);
-    if (window_type == Browser::TYPE_PANEL) {
-      extensions::TabHelper::FromWebContents(tab)->
-          SetExtensionAppIconById(extension_id);
-    }
-  }
-  if (contents) {
-    TabStripModel* target_tab_strip = new_window->tab_strip_model();
-    target_tab_strip->InsertWebContentsAt(urls.size(), contents,
-                                          TabStripModel::ADD_NONE);
-  } else if (urls.empty()) {
-    chrome::NewTab(new_window);
-  }
-  chrome::SelectNumberedTab(new_window, 0);
-
-  // Unlike other window types, Panels do not take focus by default.
-  if (!saw_focus_key && window_type == Browser::TYPE_PANEL)
-    focused = false;
-
-  if (focused)
-    new_window->window()->Show();
-  else
-    new_window->window()->ShowInactive();
-
-  if (new_window->profile()->IsOffTheRecord() && !include_incognito()) {
-    // Don't expose incognito windows if the extension isn't allowed.
-    SetResult(Value::CreateNullValue());
-  } else {
-    SetResult(
-        new_window->extension_window_controller()->CreateWindowValueWithTabs(
-            GetExtension()));
-  }
-
-  return true;
-}
-
-bool WindowsUpdateFunction::RunImpl() {
-  int window_id = extension_misc::kUnknownWindowId;
-  EXTENSION_FUNCTION_VALIDATE(args_->GetInteger(0, &window_id));
-  DictionaryValue* update_props;
-  EXTENSION_FUNCTION_VALIDATE(args_->GetDictionary(1, &update_props));
-
-  WindowController* controller;
-  if (!GetWindowFromWindowID(this, window_id, &controller))
-    return false;
-
-#if defined(OS_WIN)
-  // Silently ignore changes on the window for metro mode.
-  if (win8::IsSingleWindowMetroMode()) {
-    SetResult(controller->CreateWindowValue());
-    return true;
-  }
-#endif
-
-  ui::WindowShowState show_state = ui::SHOW_STATE_DEFAULT;  // No change.
-  std::string state_str;
-  if (update_props->HasKey(keys::kShowStateKey)) {
-    EXTENSION_FUNCTION_VALIDATE(update_props->GetString(keys::kShowStateKey,
-                                                        &state_str));
-    if (state_str == keys::kShowStateValueNormal) {
-      show_state = ui::SHOW_STATE_NORMAL;
-    } else if (state_str == keys::kShowStateValueMinimized) {
-      show_state = ui::SHOW_STATE_MINIMIZED;
-    } else if (state_str == keys::kShowStateValueMaximized) {
-      show_state = ui::SHOW_STATE_MAXIMIZED;
-    } else if (state_str == keys::kShowStateValueFullscreen) {
-      show_state = ui::SHOW_STATE_FULLSCREEN;
-    } else {
-      error_ = keys::kInvalidWindowStateError;
-      return false;
-    }
-  }
-
-  if (show_state != ui::SHOW_STATE_FULLSCREEN &&
-      show_state != ui::SHOW_STATE_DEFAULT)
-    controller->SetFullscreenMode(false, GetExtension()->url());
-
-  switch (show_state) {
-    case ui::SHOW_STATE_MINIMIZED:
-      controller->window()->Minimize();
-      break;
-    case ui::SHOW_STATE_MAXIMIZED:
-      controller->window()->Maximize();
-      break;
-    case ui::SHOW_STATE_FULLSCREEN:
-      if (controller->window()->IsMinimized() ||
-          controller->window()->IsMaximized())
-        controller->window()->Restore();
-      controller->SetFullscreenMode(true, GetExtension()->url());
-      break;
-    case ui::SHOW_STATE_NORMAL:
-      controller->window()->Restore();
-      break;
-    default:
-      break;
-  }
-
-  gfx::Rect bounds;
-  if (controller->window()->IsMinimized())
-    bounds = controller->window()->GetRestoredBounds();
-  else
-    bounds = controller->window()->GetBounds();
-  bool set_bounds = false;
-
-  // Any part of the bounds can optionally be set by the caller.
-  int bounds_val;
-  if (update_props->HasKey(keys::kLeftKey)) {
-    EXTENSION_FUNCTION_VALIDATE(update_props->GetInteger(
-        keys::kLeftKey,
-        &bounds_val));
-    bounds.set_x(bounds_val);
-    set_bounds = true;
-  }
-
-  if (update_props->HasKey(keys::kTopKey)) {
-    EXTENSION_FUNCTION_VALIDATE(update_props->GetInteger(
-        keys::kTopKey,
-        &bounds_val));
-    bounds.set_y(bounds_val);
-    set_bounds = true;
-  }
-
-  if (update_props->HasKey(keys::kWidthKey)) {
-    EXTENSION_FUNCTION_VALIDATE(update_props->GetInteger(
-        keys::kWidthKey,
-        &bounds_val));
-    bounds.set_width(bounds_val);
-    set_bounds = true;
-  }
-
-  if (update_props->HasKey(keys::kHeightKey)) {
-    EXTENSION_FUNCTION_VALIDATE(update_props->GetInteger(
-        keys::kHeightKey,
-        &bounds_val));
-    bounds.set_height(bounds_val);
-    set_bounds = true;
-  }
-
-  if (set_bounds) {
-    if (show_state == ui::SHOW_STATE_MINIMIZED ||
-        show_state == ui::SHOW_STATE_MAXIMIZED ||
-        show_state == ui::SHOW_STATE_FULLSCREEN) {
-      error_ = keys::kInvalidWindowStateError;
-      return false;
-    }
-    controller->window()->SetBounds(bounds);
-  }
-
-  bool active_val = false;
-  if (update_props->HasKey(keys::kFocusedKey)) {
-    EXTENSION_FUNCTION_VALIDATE(update_props->GetBoolean(
-        keys::kFocusedKey, &active_val));
-    if (active_val) {
-      if (show_state == ui::SHOW_STATE_MINIMIZED) {
-        error_ = keys::kInvalidWindowStateError;
-        return false;
-      }
-      controller->window()->Activate();
-    } else {
-      if (show_state == ui::SHOW_STATE_MAXIMIZED ||
-          show_state == ui::SHOW_STATE_FULLSCREEN) {
-        error_ = keys::kInvalidWindowStateError;
-        return false;
-      }
-      controller->window()->Deactivate();
-    }
-  }
-
-  bool draw_attention = false;
-  if (update_props->HasKey(keys::kDrawAttentionKey)) {
-    EXTENSION_FUNCTION_VALIDATE(update_props->GetBoolean(
-        keys::kDrawAttentionKey, &draw_attention));
-    controller->window()->FlashFrame(draw_attention);
-  }
-
-  SetResult(controller->CreateWindowValue());
-
-  return true;
-}
-
-bool WindowsRemoveFunction::RunImpl() {
-  int window_id = -1;
-  EXTENSION_FUNCTION_VALIDATE(args_->GetInteger(0, &window_id));
-
-  WindowController* controller;
-  if (!GetWindowFromWindowID(this, window_id, &controller))
-    return false;
-
-#if defined(OS_WIN)
-  // In Windows 8 metro mode, an existing Browser instance is reused for
-  // hosting the extension tab. We should not be closing it as we don't own it.
-  if (win8::IsSingleWindowMetroMode())
-    return false;
-#endif
-
-  WindowController::Reason reason;
-  if (!controller->CanClose(&reason)) {
-    if (reason == WindowController::REASON_NOT_EDITABLE)
-      error_ = keys::kTabStripNotEditableError;
-    return false;
-  }
-  controller->window()->Close();
-  return true;
-}
-
-// Tabs ------------------------------------------------------------------------
-
-bool TabsGetSelectedFunction::RunImpl() {
-  // windowId defaults to "current" window.
-  int window_id = extension_misc::kCurrentWindowId;
-
-  if (HasOptionalArgument(0))
-    EXTENSION_FUNCTION_VALIDATE(args_->GetInteger(0, &window_id));
-
-  Browser* browser = NULL;
-  if (!GetBrowserFromWindowID(this, window_id, &browser))
-    return false;
-
-  TabStripModel* tab_strip = browser->tab_strip_model();
-  WebContents* contents = tab_strip->GetActiveWebContents();
-  if (!contents) {
-    error_ = keys::kNoSelectedTabError;
-    return false;
-  }
-  SetResult(ExtensionTabUtil::CreateTabValue(contents,
-                                             tab_strip,
-                                             tab_strip->active_index(),
-                                             GetExtension()));
-  return true;
-}
-
-bool TabsGetAllInWindowFunction::RunImpl() {
-  // windowId defaults to "current" window.
-  int window_id = extension_misc::kCurrentWindowId;
-  if (HasOptionalArgument(0))
-    EXTENSION_FUNCTION_VALIDATE(args_->GetInteger(0, &window_id));
-
-  Browser* browser = NULL;
-  if (!GetBrowserFromWindowID(this, window_id, &browser))
-    return false;
-
-  SetResult(ExtensionTabUtil::CreateTabList(browser, GetExtension()));
-
-  return true;
-}
-
-bool TabsQueryFunction::RunImpl() {
-  DictionaryValue* query = NULL;
-  EXTENSION_FUNCTION_VALIDATE(args_->GetDictionary(0, &query));
-
-  QueryArg active = ParseBoolQueryArg(query, keys::kActiveKey);
-  QueryArg pinned = ParseBoolQueryArg(query, keys::kPinnedKey);
-  QueryArg selected = ParseBoolQueryArg(query, keys::kHighlightedKey);
-  QueryArg current_window = ParseBoolQueryArg(query, keys::kCurrentWindowKey);
-  QueryArg focused_window =
-      ParseBoolQueryArg(query, keys::kLastFocusedWindowKey);
-
-  QueryArg loading = NOT_SET;
-  if (query->HasKey(keys::kStatusKey)) {
-    std::string status;
-    EXTENSION_FUNCTION_VALIDATE(query->GetString(keys::kStatusKey, &status));
-    loading = (status == keys::kStatusValueLoading) ? MATCH_TRUE : MATCH_FALSE;
-  }
-
-  // It is o.k. to use URLPattern::SCHEME_ALL here because this function does
-  // not grant access to the content of the tabs, only to seeing their URLs and
-  // meta data.
-  URLPattern url_pattern(URLPattern::SCHEME_ALL, "<all_urls>");
-  if (query->HasKey(keys::kUrlKey)) {
-    std::string value;
-    EXTENSION_FUNCTION_VALIDATE(query->GetString(keys::kUrlKey, &value));
-    url_pattern = URLPattern(URLPattern::SCHEME_ALL, value);
-  }
-
-  std::string title;
-  if (query->HasKey(keys::kTitleKey))
-    EXTENSION_FUNCTION_VALIDATE(
-        query->GetString(keys::kTitleKey, &title));
-
-  int window_id = extension_misc::kUnknownWindowId;
-  if (query->HasKey(keys::kWindowIdKey))
-    EXTENSION_FUNCTION_VALIDATE(
-        query->GetInteger(keys::kWindowIdKey, &window_id));
-
-  int index = -1;
-  if (query->HasKey(keys::kIndexKey))
-    EXTENSION_FUNCTION_VALIDATE(
-        query->GetInteger(keys::kIndexKey, &index));
-
-  std::string window_type;
-  if (query->HasKey(keys::kWindowTypeLongKey))
-    EXTENSION_FUNCTION_VALIDATE(
-        query->GetString(keys::kWindowTypeLongKey, &window_type));
-
-  ListValue* result = new ListValue();
-  for (BrowserList::const_iterator browser = BrowserList::begin();
-       browser != BrowserList::end(); ++browser) {
-    if (!profile()->IsSameProfile((*browser)->profile()))
-      continue;
-
-    if (!(*browser)->window())
-      continue;
-
-    if (!include_incognito() && profile() != (*browser)->profile())
-      continue;
-
-    if (window_id >= 0 && window_id != ExtensionTabUtil::GetWindowId(*browser))
-      continue;
-
-    if (window_id == extension_misc::kCurrentWindowId &&
-        *browser != GetCurrentBrowser())
-      continue;
-
-    if (!MatchesQueryArg(current_window, *browser == GetCurrentBrowser()))
-      continue;
-
-    if (!MatchesQueryArg(focused_window, (*browser)->window()->IsActive()))
-      continue;
-
-    if (!window_type.empty() &&
-        window_type !=
-        (*browser)->extension_window_controller()->GetWindowTypeText())
-      continue;
-
-    TabStripModel* tab_strip = (*browser)->tab_strip_model();
-    for (int i = 0; i < tab_strip->count(); ++i) {
-      const WebContents* web_contents = tab_strip->GetWebContentsAt(i);
-
-      if (index > -1 && i != index)
-        continue;
-
-      if (!MatchesQueryArg(selected, tab_strip->IsTabSelected(i)))
-        continue;
-
-      if (!MatchesQueryArg(active, i == tab_strip->active_index()))
-        continue;
-
-      if (!MatchesQueryArg(pinned, tab_strip->IsTabPinned(i)))
-        continue;
-
-      if (!title.empty() && !MatchPattern(web_contents->GetTitle(),
-                                          UTF8ToUTF16(title)))
-        continue;
-
-      if (!url_pattern.MatchesURL(web_contents->GetURL()))
-        continue;
-
-      if (!MatchesQueryArg(loading, web_contents->IsLoading()))
-        continue;
-
-      result->Append(ExtensionTabUtil::CreateTabValue(
-          web_contents, tab_strip, i, GetExtension()));
-    }
-  }
-
-  SetResult(result);
-  return true;
-}
-
-bool TabsCreateFunction::RunImpl() {
-  DictionaryValue* args = NULL;
-  EXTENSION_FUNCTION_VALIDATE(args_->GetDictionary(0, &args));
-
-  // windowId defaults to "current" window.
-  int window_id = extension_misc::kCurrentWindowId;
-  if (args->HasKey(keys::kWindowIdKey))
-    EXTENSION_FUNCTION_VALIDATE(args->GetInteger(
-        keys::kWindowIdKey, &window_id));
-
-  Browser* browser = NULL;
-  if (!GetBrowserFromWindowID(this, window_id, &browser))
-    return false;
-
-  // Ensure the selected browser is tabbed.
-  if (!browser->is_type_tabbed() && browser->IsAttemptingToCloseBrowser())
-    browser = chrome::FindTabbedBrowser(profile(), include_incognito(),
-                                        browser->host_desktop_type());
-
-  if (!browser || !browser->window())
-    return false;
-
-  // TODO(jstritar): Add a constant, chrome.tabs.TAB_ID_ACTIVE, that
-  // represents the active tab.
-  WebContents* opener = NULL;
-  if (args->HasKey(keys::kOpenerTabIdKey)) {
-    int opener_id = -1;
-    EXTENSION_FUNCTION_VALIDATE(args->GetInteger(
-        keys::kOpenerTabIdKey, &opener_id));
-
-    if (!ExtensionTabUtil::GetTabById(
-            opener_id, profile(), include_incognito(),
-            NULL, NULL, &opener, NULL))
-      return false;
-  }
-
-  // TODO(rafaelw): handle setting remaining tab properties:
-  // -title
-  // -favIconUrl
-
-  std::string url_string;
-  GURL url;
-  if (args->HasKey(keys::kUrlKey)) {
-    EXTENSION_FUNCTION_VALIDATE(args->GetString(keys::kUrlKey,
-                                                &url_string));
-    url = ExtensionTabUtil::ResolvePossiblyRelativeURL(url_string,
-                                                       GetExtension());
-    if (!url.is_valid()) {
-      error_ = ErrorUtils::FormatErrorMessage(keys::kInvalidUrlError,
-                                                       url_string);
-      return false;
-    }
-  }
-
-  // Don't let extensions crash the browser or renderers.
-  if (ExtensionTabUtil::IsCrashURL(url)) {
-    error_ = keys::kNoCrashBrowserError;
-    return false;
-  }
-
-  // Default to foreground for the new tab. The presence of 'selected' property
-  // will override this default. This property is deprecated ('active' should
-  // be used instead).
-  bool active = true;
-  if (args->HasKey(keys::kSelectedKey))
-    EXTENSION_FUNCTION_VALIDATE(args->GetBoolean(keys::kSelectedKey, &active));
-
-  // The 'active' property has replaced the 'selected' property.
-  if (args->HasKey(keys::kActiveKey))
-    EXTENSION_FUNCTION_VALIDATE(args->GetBoolean(keys::kActiveKey, &active));
-
-  // Default to not pinning the tab. Setting the 'pinned' property to true
-  // will override this default.
-  bool pinned = false;
-  if (args->HasKey(keys::kPinnedKey))
-    EXTENSION_FUNCTION_VALIDATE(args->GetBoolean(keys::kPinnedKey, &pinned));
-
-  // We can't load extension URLs into incognito windows unless the extension
-  // uses split mode. Special case to fall back to a tabbed window.
-  if (url.SchemeIs(extensions::kExtensionScheme) &&
-      !GetExtension()->incognito_split_mode() &&
-      browser->profile()->IsOffTheRecord()) {
-    Profile* profile = browser->profile()->GetOriginalProfile();
-    chrome::HostDesktopType desktop_type = browser->host_desktop_type();
-
-    browser = chrome::FindTabbedBrowser(profile, false, desktop_type);
-    if (!browser) {
-      browser = new Browser(Browser::CreateParams(Browser::TYPE_TABBED,
-                                                  profile, desktop_type));
-      browser->window()->Show();
-    }
-  }
-
-  // If index is specified, honor the value, but keep it bound to
-  // -1 <= index <= tab_strip->count() where -1 invokes the default behavior.
-  int index = -1;
-  if (args->HasKey(keys::kIndexKey))
-    EXTENSION_FUNCTION_VALIDATE(args->GetInteger(keys::kIndexKey, &index));
-
-  TabStripModel* tab_strip = browser->tab_strip_model();
-
-  index = std::min(std::max(index, -1), tab_strip->count());
-
-  int add_types = active ? TabStripModel::ADD_ACTIVE :
-                             TabStripModel::ADD_NONE;
-  add_types |= TabStripModel::ADD_FORCE_INDEX;
-  if (pinned)
-    add_types |= TabStripModel::ADD_PINNED;
-  chrome::NavigateParams params(browser, url, content::PAGE_TRANSITION_LINK);
-  params.disposition = active ? NEW_FOREGROUND_TAB : NEW_BACKGROUND_TAB;
-  params.tabstrip_index = index;
-  params.tabstrip_add_types = add_types;
-  chrome::Navigate(&params);
-
-  // The tab may have been created in a different window, so make sure we look
-  // at the right tab strip.
-  tab_strip = params.browser->tab_strip_model();
-  int new_index = tab_strip->GetIndexOfWebContents(params.target_contents);
-  if (opener)
-    tab_strip->SetOpenerOfWebContentsAt(new_index, opener);
-
-  if (active)
-    params.target_contents->GetView()->SetInitialFocus();
-
-  // Return data about the newly created tab.
-  if (has_callback()) {
-    SetResult(ExtensionTabUtil::CreateTabValue(
-        params.target_contents,
-        tab_strip, new_index, GetExtension()));
-  }
-
-  return true;
-}
-
-bool TabsDuplicateFunction::RunImpl() {
-  int tab_id = -1;
-  EXTENSION_FUNCTION_VALIDATE(args_->GetInteger(0, &tab_id));
-
-  Browser* browser = NULL;
-  TabStripModel* tab_strip = NULL;
-  int tab_index = -1;
-  if (!GetTabById(tab_id, profile(), include_incognito(),
-                  &browser, &tab_strip, NULL, &tab_index, &error_)) {
-    return false;
-  }
-
-  WebContents* new_contents = chrome::DuplicateTabAt(browser, tab_index);
-  if (!has_callback())
-    return true;
-
-  int new_index = tab_strip->GetIndexOfWebContents(new_contents);
-
-  // Return data about the newly created tab.
-  SetResult(ExtensionTabUtil::CreateTabValue(
-      new_contents,
-      tab_strip, new_index, GetExtension()));
-
-  return true;
-}
-
-bool TabsGetFunction::RunImpl() {
-  int tab_id = -1;
-  EXTENSION_FUNCTION_VALIDATE(args_->GetInteger(0, &tab_id));
-
-  TabStripModel* tab_strip = NULL;
-  WebContents* contents = NULL;
-  int tab_index = -1;
-  if (!GetTabById(tab_id, profile(), include_incognito(),
-                  NULL, &tab_strip, &contents, &tab_index, &error_))
-    return false;
-
-  SetResult(ExtensionTabUtil::CreateTabValue(contents,
-                                             tab_strip,
-                                             tab_index,
-                                             GetExtension()));
-  return true;
-}
-
-bool TabsGetCurrentFunction::RunImpl() {
-  DCHECK(dispatcher());
-
-  WebContents* contents = dispatcher()->delegate()->GetAssociatedWebContents();
-  if (contents)
-    SetResult(ExtensionTabUtil::CreateTabValue(contents, GetExtension()));
-
-  return true;
-}
-
-bool TabsHighlightFunction::RunImpl() {
-  DictionaryValue* info = NULL;
-  EXTENSION_FUNCTION_VALIDATE(args_->GetDictionary(0, &info));
-
-  // Get the window id from the params; default to current window if omitted.
-  int window_id = extension_misc::kCurrentWindowId;
-  if (info->HasKey(keys::kWindowIdKey))
-    EXTENSION_FUNCTION_VALIDATE(
-        info->GetInteger(keys::kWindowIdKey, &window_id));
-
-  Browser* browser = NULL;
-  if (!GetBrowserFromWindowID(this, window_id, &browser))
-    return false;
-
-  TabStripModel* tabstrip = browser->tab_strip_model();
-  ui::ListSelectionModel selection;
-  int active_index = -1;
-
-  Value* tab_value = NULL;
-  EXTENSION_FUNCTION_VALIDATE(info->Get(keys::kTabsKey, &tab_value));
-
-  std::vector<int> tab_indices;
-  EXTENSION_FUNCTION_VALIDATE(extensions::ReadOneOrMoreIntegers(
-      tab_value, &tab_indices));
-
-  // Create a new selection model as we read the list of tab indices.
-  for (size_t i = 0; i < tab_indices.size(); ++i) {
-    int index = tab_indices[i];
-
-    // Make sure the index is in range.
-    if (!tabstrip->ContainsIndex(index)) {
-      error_ = ErrorUtils::FormatErrorMessage(
-          keys::kTabIndexNotFoundError, base::IntToString(index));
-      return false;
-    }
-
-    // By default, we make the first tab in the list active.
-    if (active_index == -1)
-      active_index = index;
-
-    selection.AddIndexToSelection(index);
-  }
-
-  // Make sure they actually specified tabs to select.
-  if (selection.empty()) {
-    error_ = keys::kNoHighlightedTabError;
-    return false;
-  }
-
-  selection.set_active(active_index);
-  browser->tab_strip_model()->SetSelectionFromModel(selection);
-  SetResult(
-      browser->extension_window_controller()->CreateWindowValueWithTabs(
-          GetExtension()));
-  return true;
-}
-
-TabsUpdateFunction::TabsUpdateFunction() : web_contents_(NULL) {
-}
-
-bool TabsUpdateFunction::RunImpl() {
-  DictionaryValue* update_props = NULL;
-  EXTENSION_FUNCTION_VALIDATE(args_->GetDictionary(1, &update_props));
-
-  Value* tab_value = NULL;
-  if (HasOptionalArgument(0)) {
-    EXTENSION_FUNCTION_VALIDATE(args_->Get(0, &tab_value));
-  }
-
-  int tab_id = -1;
-  WebContents* contents = NULL;
-  if (tab_value == NULL || tab_value->IsType(Value::TYPE_NULL)) {
-    Browser* browser = GetCurrentBrowser();
-    if (!browser) {
-      error_ = keys::kNoCurrentWindowError;
-      return false;
-    }
-    contents = browser->tab_strip_model()->GetActiveWebContents();
-    if (!contents) {
-      error_ = keys::kNoSelectedTabError;
-      return false;
-    }
-    tab_id = SessionID::IdForTab(contents);
-  } else {
-    EXTENSION_FUNCTION_VALIDATE(tab_value->GetAsInteger(&tab_id));
-  }
-
-  int tab_index = -1;
-  TabStripModel* tab_strip = NULL;
-  if (!GetTabById(tab_id, profile(), include_incognito(),
-                  NULL, &tab_strip, &contents, &tab_index, &error_)) {
-    return false;
-  }
-
-  web_contents_ = contents;
-
-  // TODO(rafaelw): handle setting remaining tab properties:
-  // -title
-  // -favIconUrl
-
-  // Navigate the tab to a new location if the url is different.
-  bool is_async = false;
-  if (!UpdateURLIfPresent(update_props, tab_id, &is_async))
-    return false;
-
-  bool active = false;
-  // TODO(rafaelw): Setting |active| from js doesn't make much sense.
-  // Move tab selection management up to window.
-  if (update_props->HasKey(keys::kSelectedKey))
-    EXTENSION_FUNCTION_VALIDATE(update_props->GetBoolean(
-        keys::kSelectedKey, &active));
-
-  // The 'active' property has replaced 'selected'.
-  if (update_props->HasKey(keys::kActiveKey))
-    EXTENSION_FUNCTION_VALIDATE(update_props->GetBoolean(
-        keys::kActiveKey, &active));
-
-  if (active) {
-    if (tab_strip->active_index() != tab_index) {
-      tab_strip->ActivateTabAt(tab_index, false);
-      DCHECK_EQ(contents, tab_strip->GetActiveWebContents());
-    }
-    web_contents_->Focus();
-  }
-
-  if (update_props->HasKey(keys::kHighlightedKey)) {
-    bool highlighted = false;
-    EXTENSION_FUNCTION_VALIDATE(update_props->GetBoolean(
-        keys::kHighlightedKey, &highlighted));
-    if (highlighted != tab_strip->IsTabSelected(tab_index))
-      tab_strip->ToggleSelectionAt(tab_index);
-  }
-
-  if (update_props->HasKey(keys::kPinnedKey)) {
-    bool pinned = false;
-    EXTENSION_FUNCTION_VALIDATE(update_props->GetBoolean(
-        keys::kPinnedKey, &pinned));
-    tab_strip->SetTabPinned(tab_index, pinned);
-
-    // Update the tab index because it may move when being pinned.
-    tab_index = tab_strip->GetIndexOfWebContents(contents);
-  }
-
-  if (update_props->HasKey(keys::kOpenerTabIdKey)) {
-    int opener_id = -1;
-    EXTENSION_FUNCTION_VALIDATE(update_props->GetInteger(
-        keys::kOpenerTabIdKey, &opener_id));
-
-    WebContents* opener_contents = NULL;
-    if (!ExtensionTabUtil::GetTabById(
-            opener_id, profile(), include_incognito(),
-            NULL, NULL, &opener_contents, NULL))
-      return false;
-
-    tab_strip->SetOpenerOfWebContentsAt(tab_index, opener_contents);
-  }
-
-  if (!is_async) {
-    PopulateResult();
-    SendResponse(true);
-  }
-  return true;
-}
-
-bool TabsUpdateFunction::UpdateURLIfPresent(DictionaryValue* update_props,
-                                           int tab_id,
-                                           bool* is_async) {
-  if (!update_props->HasKey(keys::kUrlKey))
-    return true;
-
-  std::string url_string;
-  EXTENSION_FUNCTION_VALIDATE(update_props->GetString(
-      keys::kUrlKey, &url_string));
-  GURL url = ExtensionTabUtil::ResolvePossiblyRelativeURL(
-      url_string, GetExtension());
-
-  if (!url.is_valid()) {
-    error_ = ErrorUtils::FormatErrorMessage(
-        keys::kInvalidUrlError, url_string);
-    return false;
-  }
-
-  // Don't let the extension crash the browser or renderers.
-  if (ExtensionTabUtil::IsCrashURL(url)) {
-    error_ = keys::kNoCrashBrowserError;
-    return false;
-  }
-
-  // JavaScript URLs can do the same kinds of things as cross-origin XHR, so
-  // we need to check host permissions before allowing them.
-  if (url.SchemeIs(chrome::kJavaScriptScheme)) {
-    if (!GetExtension()->CanExecuteScriptOnPage(
-            web_contents_->GetURL(),
-            web_contents_->GetURL(),
-            tab_id,
-            NULL,
-            &error_)) {
-      return false;
-    }
-
-    extensions::TabHelper::FromWebContents(web_contents_)->
-        script_executor()->ExecuteScript(
-            extension_id(),
-            ScriptExecutor::JAVASCRIPT,
-            url.path(),
-            ScriptExecutor::TOP_FRAME,
-            extensions::UserScript::DOCUMENT_IDLE,
-            ScriptExecutor::MAIN_WORLD,
-            base::Bind(&TabsUpdateFunction::OnExecuteCodeFinished, this));
-
-    *is_async = true;
-    return true;
-  }
-
-  web_contents_->GetController().LoadURL(
-      url, content::Referrer(), content::PAGE_TRANSITION_LINK, std::string());
-
-  // The URL of a tab contents never actually changes to a JavaScript URL, so
-  // this check only makes sense in other cases.
-  if (!url.SchemeIs(chrome::kJavaScriptScheme))
-    DCHECK_EQ(url.spec(), web_contents_->GetURL().spec());
-
-  return true;
-}
-
-void TabsUpdateFunction::PopulateResult() {
-  if (!has_callback())
-    return;
-
-  SetResult(ExtensionTabUtil::CreateTabValue(web_contents_, GetExtension()));
-}
-
-void TabsUpdateFunction::OnExecuteCodeFinished(const std::string& error,
-                                              int32 on_page_id,
-                                              const GURL& url,
-                                              const ListValue& script_result) {
-  if (error.empty())
-    PopulateResult();
-  else
-    error_ = error;
-  SendResponse(error.empty());
-}
-
-bool TabsMoveFunction::RunImpl() {
-  Value* tab_value = NULL;
-  EXTENSION_FUNCTION_VALIDATE(args_->Get(0, &tab_value));
-
-  std::vector<int> tab_ids;
-  EXTENSION_FUNCTION_VALIDATE(extensions::ReadOneOrMoreIntegers(
-      tab_value, &tab_ids));
-
-  DictionaryValue* update_props = NULL;
-  int new_index;
-  EXTENSION_FUNCTION_VALIDATE(args_->GetDictionary(1, &update_props));
-  EXTENSION_FUNCTION_VALIDATE(update_props->GetInteger(keys::kIndexKey,
-      &new_index));
-
-  ListValue tab_values;
-  for (size_t i = 0; i < tab_ids.size(); ++i) {
-    Browser* source_browser = NULL;
-    TabStripModel* source_tab_strip = NULL;
-    WebContents* contents = NULL;
-    int tab_index = -1;
-    if (!GetTabById(tab_ids[i], profile(), include_incognito(),
-                    &source_browser, &source_tab_strip, &contents,
-                    &tab_index, &error_))
-      return false;
-
-    // Don't let the extension move the tab if the user is dragging tabs.
-    if (!source_browser->window()->IsTabStripEditable()) {
-      error_ = keys::kTabStripNotEditableError;
-      return false;
-    }
-
-    // Insert the tabs one after another.
-    new_index += i;
-
-    if (update_props->HasKey(keys::kWindowIdKey)) {
-      Browser* target_browser = NULL;
-      int window_id = extension_misc::kUnknownWindowId;
-      EXTENSION_FUNCTION_VALIDATE(update_props->GetInteger(
-          keys::kWindowIdKey, &window_id));
-
-      if (!GetBrowserFromWindowID(this, window_id, &target_browser))
-        return false;
-
-      if (!target_browser->window()->IsTabStripEditable()) {
-        error_ = keys::kTabStripNotEditableError;
-        return false;
-      }
-
-      if (!target_browser->is_type_tabbed()) {
-        error_ = keys::kCanOnlyMoveTabsWithinNormalWindowsError;
-        return false;
-      }
-
-      if (target_browser->profile() != source_browser->profile()) {
-        error_ = keys::kCanOnlyMoveTabsWithinSameProfileError;
-        return false;
-      }
-
-      // If windowId is different from the current window, move between windows.
-      if (ExtensionTabUtil::GetWindowId(target_browser) !=
-          ExtensionTabUtil::GetWindowId(source_browser)) {
-        TabStripModel* target_tab_strip = target_browser->tab_strip_model();
-        WebContents* web_contents =
-            source_tab_strip->DetachWebContentsAt(tab_index);
-        if (!web_contents) {
-          error_ = ErrorUtils::FormatErrorMessage(
-              keys::kTabNotFoundError, base::IntToString(tab_ids[i]));
-          return false;
-        }
-
-        // Clamp move location to the last position.
-        // This is ">" because it can append to a new index position.
-        // -1 means set the move location to the last position.
-        if (new_index > target_tab_strip->count() || new_index < 0)
-          new_index = target_tab_strip->count();
-
-        target_tab_strip->InsertWebContentsAt(
-            new_index, web_contents, TabStripModel::ADD_NONE);
-
-        if (has_callback()) {
-          tab_values.Append(ExtensionTabUtil::CreateTabValue(
-              web_contents,
-              target_tab_strip,
-              new_index,
-              GetExtension()));
-        }
-
-        continue;
-      }
-    }
-
-    // Perform a simple within-window move.
-    // Clamp move location to the last position.
-    // This is ">=" because the move must be to an existing location.
-    // -1 means set the move location to the last position.
-    if (new_index >= source_tab_strip->count() || new_index < 0)
-      new_index = source_tab_strip->count() - 1;
-
-    if (new_index != tab_index)
-      source_tab_strip->MoveWebContentsAt(tab_index, new_index, false);
-
-    if (has_callback()) {
-      tab_values.Append(ExtensionTabUtil::CreateTabValue(
-          contents, source_tab_strip, new_index, GetExtension()));
-    }
-  }
-
-  if (!has_callback())
-    return true;
-
-  // Only return the results as an array if there are multiple tabs.
-  if (tab_ids.size() > 1) {
-    SetResult(tab_values.DeepCopy());
-  } else if (tab_ids.size() == 1) {
-    Value* value = NULL;
-    CHECK(tab_values.Get(0, &value));
-    SetResult(value->DeepCopy());
-  }
-  return true;
-}
-
-bool TabsReloadFunction::RunImpl() {
-  bool bypass_cache = false;
-  if (HasOptionalArgument(1)) {
-      DictionaryValue* reload_props = NULL;
-      EXTENSION_FUNCTION_VALIDATE(args_->GetDictionary(1, &reload_props));
-
-      if (reload_props->HasKey(keys::kBypassCache)) {
-        EXTENSION_FUNCTION_VALIDATE(reload_props->GetBoolean(
-            keys::kBypassCache,
-            &bypass_cache));
-      }
-  }
-
-  content::WebContents* web_contents = NULL;
-
-  // If |tab_id| is specified, look for it. Otherwise default to selected tab
-  // in the current window.
-  Value* tab_value = NULL;
-  if (HasOptionalArgument(0))
-    EXTENSION_FUNCTION_VALIDATE(args_->Get(0, &tab_value));
-
-  if (tab_value == NULL || tab_value->IsType(Value::TYPE_NULL)) {
-    Browser* browser = GetCurrentBrowser();
-    if (!browser) {
-      error_ = keys::kNoCurrentWindowError;
-      return false;
-    }
-
-    if (!ExtensionTabUtil::GetDefaultTab(browser, &web_contents, NULL))
-      return false;
-  } else {
-    int tab_id = -1;
-    EXTENSION_FUNCTION_VALIDATE(tab_value->GetAsInteger(&tab_id));
-
-    Browser* browser = NULL;
-    if (!GetTabById(tab_id, profile(), include_incognito(),
-                    &browser, NULL, &web_contents, NULL, &error_))
-    return false;
-  }
-
-  if (web_contents->ShowingInterstitialPage()) {
-    // This does as same as Browser::ReloadInternal.
-    NavigationEntry* entry = web_contents->GetController().GetActiveEntry();
-    OpenURLParams params(entry->GetURL(), Referrer(), CURRENT_TAB,
-                         content::PAGE_TRANSITION_RELOAD, false);
-    GetCurrentBrowser()->OpenURL(params);
-  } else if (bypass_cache) {
-    web_contents->GetController().ReloadIgnoringCache(true);
-  } else {
-    web_contents->GetController().Reload(true);
-  }
-
-  return true;
-}
-
-bool TabsRemoveFunction::RunImpl() {
-  Value* tab_value = NULL;
-  EXTENSION_FUNCTION_VALIDATE(args_->Get(0, &tab_value));
-
-  std::vector<int> tab_ids;
-  EXTENSION_FUNCTION_VALIDATE(extensions::ReadOneOrMoreIntegers(
-      tab_value, &tab_ids));
-
-  for (size_t i = 0; i < tab_ids.size(); ++i) {
-    Browser* browser = NULL;
-    WebContents* contents = NULL;
-    if (!GetTabById(tab_ids[i], profile(), include_incognito(),
-                    &browser, NULL, &contents, NULL, &error_))
-      return false;
-
-    // Don't let the extension remove a tab if the user is dragging tabs around.
-    if (!browser->window()->IsTabStripEditable()) {
-      error_ = keys::kTabStripNotEditableError;
-      return false;
-    }
-
-    // There's a chance that the tab is being dragged, or we're in some other
-    // nested event loop. This code path ensures that the tab is safely closed
-    // under such circumstances, whereas |TabStripModel::CloseWebContentsAt()|
-    // does not.
-    contents->Close();
-  }
-  return true;
-}
-
-bool TabsCaptureVisibleTabFunction::GetTabToCapture(
-    WebContents** web_contents) {
-  Browser* browser = NULL;
-  // windowId defaults to "current" window.
-  int window_id = extension_misc::kCurrentWindowId;
-
-  if (HasOptionalArgument(0))
-    EXTENSION_FUNCTION_VALIDATE(args_->GetInteger(0, &window_id));
-
-  if (!GetBrowserFromWindowID(this, window_id, &browser))
-    return false;
-
-  *web_contents = chrome::GetActiveWebContents(browser);
-  if (*web_contents == NULL) {
-    error_ = keys::kInternalVisibleTabCaptureError;
-    return false;
-  }
-
-  return true;
-};
-
-bool TabsCaptureVisibleTabFunction::RunImpl() {
-  PrefServiceBase* service = profile()->GetPrefs();
-  if (service->GetBoolean(prefs::kDisableScreenshots)) {
-    error_ = keys::kScreenshotsDisabled;
-    return false;
-  }
-
-  WebContents* web_contents = NULL;
-  if (!GetTabToCapture(&web_contents))
-    return false;
-
-  image_format_ = FORMAT_JPEG;  // Default format is JPEG.
-  image_quality_ = kDefaultQuality;  // Default quality setting.
-
-  if (HasOptionalArgument(1)) {
-    DictionaryValue* options = NULL;
-    EXTENSION_FUNCTION_VALIDATE(args_->GetDictionary(1, &options));
-
-    if (options->HasKey(keys::kFormatKey)) {
-      std::string format;
-      EXTENSION_FUNCTION_VALIDATE(
-          options->GetString(keys::kFormatKey, &format));
-
-      if (format == keys::kFormatValueJpeg) {
-        image_format_ = FORMAT_JPEG;
-      } else if (format == keys::kFormatValuePng) {
-        image_format_ = FORMAT_PNG;
-      } else {
-        // Schema validation should make this unreachable.
-        EXTENSION_FUNCTION_VALIDATE(0);
-      }
-    }
-
-    if (options->HasKey(keys::kQualityKey)) {
-      EXTENSION_FUNCTION_VALIDATE(
-          options->GetInteger(keys::kQualityKey, &image_quality_));
-    }
-  }
-
-  // captureVisibleTab() can return an image containing sensitive information
-  // that the browser would otherwise protect.  Ensure the extension has
-  // permission to do this.
-  if (!GetExtension()->CanCaptureVisiblePage(
-        web_contents->GetURL(),
-        SessionID::IdForTab(web_contents),
-        &error_)) {
-    return false;
-  }
-
-  RenderViewHost* render_view_host = web_contents->GetRenderViewHost();
-  content::RenderWidgetHostView* view = render_view_host->GetView();
-  if (!view) {
-    error_ = keys::kInternalVisibleTabCaptureError;
-    return false;
-  }
-  skia::PlatformBitmap* temp_bitmap = new skia::PlatformBitmap;
-  render_view_host->CopyFromBackingStore(
-      gfx::Rect(),
-      view->GetViewBounds().size(),
-      base::Bind(&TabsCaptureVisibleTabFunction::CopyFromBackingStoreComplete,
-                 this,
-                 base::Owned(temp_bitmap)),
-      temp_bitmap);
-  return true;
-}
-
-void TabsCaptureVisibleTabFunction::CopyFromBackingStoreComplete(
-    skia::PlatformBitmap* bitmap,
-    bool succeeded) {
-  if (succeeded) {
-    VLOG(1) << "captureVisibleTab() got image from backing store.";
-    SendResultFromBitmap(bitmap->GetBitmap());
-    return;
-  }
-
-  WebContents* web_contents = NULL;
-  if (!GetTabToCapture(&web_contents)) {
-    error_ = keys::kInternalVisibleTabCaptureError;
-    SendResponse(false);
-    return;
-  }
-
-  // Ask the renderer for a snapshot of the tab.
-  registrar_.Add(this,
-                 chrome::NOTIFICATION_TAB_SNAPSHOT_TAKEN,
-                 content::Source<WebContents>(web_contents));
-  AddRef();  // Balanced in TabsCaptureVisibleTabFunction::Observe().
-  SnapshotTabHelper::FromWebContents(web_contents)->CaptureSnapshot();
-}
-
-// If a backing store was not available in
-// TabsCaptureVisibleTabFunction::RunImpl, than the renderer was asked for a
-// snapshot.  Listen for a notification that the snapshot is available.
-void TabsCaptureVisibleTabFunction::Observe(
-    int type,
-    const content::NotificationSource& source,
-    const content::NotificationDetails& details) {
-  DCHECK(type == chrome::NOTIFICATION_TAB_SNAPSHOT_TAKEN);
-
-  const SkBitmap *screen_capture =
-      content::Details<const SkBitmap>(details).ptr();
-  const bool error = screen_capture->empty();
-
-  if (error) {
-    error_ = keys::kInternalVisibleTabCaptureError;
-    SendResponse(false);
-  } else {
-    VLOG(1) << "captureVisibleTab() got image from renderer.";
-    SendResultFromBitmap(*screen_capture);
-  }
-
-  Release();  // Balanced in TabsCaptureVisibleTabFunction::RunImpl().
-}
-
-// Turn a bitmap of the screen into an image, set that image as the result,
-// and call SendResponse().
-void TabsCaptureVisibleTabFunction::SendResultFromBitmap(
-    const SkBitmap& screen_capture) {
-  std::vector<unsigned char> data;
-  SkAutoLockPixels screen_capture_lock(screen_capture);
-  bool encoded = false;
-  std::string mime_type;
-  switch (image_format_) {
-    case FORMAT_JPEG:
-      encoded = gfx::JPEGCodec::Encode(
-          reinterpret_cast<unsigned char*>(screen_capture.getAddr32(0, 0)),
-          gfx::JPEGCodec::FORMAT_SkBitmap,
-          screen_capture.width(),
-          screen_capture.height(),
-          static_cast<int>(screen_capture.rowBytes()),
-          image_quality_,
-          &data);
-      mime_type = keys::kMimeTypeJpeg;
-      break;
-    case FORMAT_PNG:
-      encoded = gfx::PNGCodec::EncodeBGRASkBitmap(
-          screen_capture,
-          true,  // Discard transparency.
-          &data);
-      mime_type = keys::kMimeTypePng;
-      break;
-    default:
-      NOTREACHED() << "Invalid image format.";
-  }
-
-  if (!encoded) {
-    error_ = keys::kInternalVisibleTabCaptureError;
-    SendResponse(false);
-    return;
-  }
-
-  std::string base64_result;
-  base::StringPiece stream_as_string(
-      reinterpret_cast<const char*>(vector_as_array(&data)), data.size());
-
-  base::Base64Encode(stream_as_string, &base64_result);
-  base64_result.insert(0, base::StringPrintf("data:%s;base64,",
-                                             mime_type.c_str()));
-  SetResult(new StringValue(base64_result));
-  SendResponse(true);
-}
-
-void TabsCaptureVisibleTabFunction::RegisterUserPrefs(
-    PrefServiceSyncable* service) {
-  service->RegisterBooleanPref(prefs::kDisableScreenshots, false,
-                               PrefServiceSyncable::UNSYNCABLE_PREF);
-}
-
-bool TabsDetectLanguageFunction::RunImpl() {
-  int tab_id = 0;
-  Browser* browser = NULL;
-  WebContents* contents = NULL;
-
-  // If |tab_id| is specified, look for it. Otherwise default to selected tab
-  // in the current window.
-  if (HasOptionalArgument(0)) {
-    EXTENSION_FUNCTION_VALIDATE(args_->GetInteger(0, &tab_id));
-    if (!GetTabById(tab_id, profile(), include_incognito(),
-                    &browser, NULL, &contents, NULL, &error_)) {
-      return false;
-    }
-    if (!browser || !contents)
-      return false;
-  } else {
-    browser = GetCurrentBrowser();
-    if (!browser)
-      return false;
-    contents = browser->tab_strip_model()->GetActiveWebContents();
-    if (!contents)
-      return false;
-  }
-
-  if (contents->GetController().NeedsReload()) {
-    // If the tab hasn't been loaded, don't wait for the tab to load.
-    error_ = keys::kCannotDetermineLanguageOfUnloadedTab;
-    return false;
-  }
-
-  AddRef();  // Balanced in GotLanguage().
-
-  TranslateTabHelper* translate_tab_helper =
-      TranslateTabHelper::FromWebContents(contents);
-  if (!translate_tab_helper->language_state().original_language().empty()) {
-    // Delay the callback invocation until after the current JS call has
-    // returned.
-    MessageLoop::current()->PostTask(FROM_HERE, base::Bind(
-        &TabsDetectLanguageFunction::GotLanguage, this,
-        translate_tab_helper->language_state().original_language()));
-    return true;
-  }
-  // The tab contents does not know its language yet.  Let's wait until it
-  // receives it, or until the tab is closed/navigates to some other page.
-  registrar_.Add(this, chrome::NOTIFICATION_TAB_LANGUAGE_DETERMINED,
-                 content::Source<WebContents>(contents));
-  registrar_.Add(
-      this, chrome::NOTIFICATION_TAB_CLOSING,
-      content::Source<NavigationController>(&(contents->GetController())));
-  registrar_.Add(
-      this, content::NOTIFICATION_NAV_ENTRY_COMMITTED,
-      content::Source<NavigationController>(&(contents->GetController())));
-  return true;
-}
-
-void TabsDetectLanguageFunction::Observe(
-    int type,
-    const content::NotificationSource& source,
-    const content::NotificationDetails& details) {
-  std::string language;
-  if (type == chrome::NOTIFICATION_TAB_LANGUAGE_DETERMINED)
-    language = *content::Details<std::string>(details).ptr();
-
-  registrar_.RemoveAll();
-
-  // Call GotLanguage in all cases as we want to guarantee the callback is
-  // called for every API call the extension made.
-  GotLanguage(language);
-}
-
-void TabsDetectLanguageFunction::GotLanguage(const std::string& language) {
-  SetResult(Value::CreateStringValue(language.c_str()));
-  SendResponse(true);
-
-  Release();  // Balanced in Run()
-}
-
-ExecuteCodeInTabFunction::ExecuteCodeInTabFunction()
-    : execute_tab_id_(-1) {
-}
-
-ExecuteCodeInTabFunction::~ExecuteCodeInTabFunction() {}
-
-bool ExecuteCodeInTabFunction::HasPermission() {
-  if (Init() &&
-      extension_->HasAPIPermissionForTab(execute_tab_id_,
-                                         extensions::APIPermission::kTab)) {
-    return true;
-  }
-  return ExtensionFunction::HasPermission();
-}
-
-bool ExecuteCodeInTabFunction::RunImpl() {
-  EXTENSION_FUNCTION_VALIDATE(Init());
-
-  if (!details_->code.get() && !details_->file.get()) {
-    error_ = keys::kNoCodeOrFileToExecuteError;
-    return false;
-  }
-  if (details_->code.get() && details_->file.get()) {
-    error_ = keys::kMoreThanOneValuesError;
-    return false;
-  }
-
-  content::WebContents* contents = NULL;
-
-  // If |tab_id| is specified, look for the tab. Otherwise default to selected
-  // tab in the current window.
-  CHECK_GE(execute_tab_id_, 0);
-  if (!ExtensionTabUtil::GetTabById(execute_tab_id_, profile(),
-                                    include_incognito(),
-                                    NULL, NULL, &contents, NULL)) {
-    return false;
-  }
-
-  // NOTE: This can give the wrong answer due to race conditions, but it is OK,
-  // we check again in the renderer.
-  CHECK(contents);
-  if (!GetExtension()->CanExecuteScriptOnPage(contents->GetURL(),
-                                              contents->GetURL(),
-                                              execute_tab_id_,
-                                              NULL,
-                                              &error_)) {
-    return false;
-  }
-
-  if (details_->code.get())
-    return Execute(*details_->code);
-
-  CHECK(details_->file.get());
-  resource_ = GetExtension()->GetResource(*details_->file);
-
-  if (resource_.extension_root().empty() || resource_.relative_path().empty()) {
-    error_ = keys::kNoCodeOrFileToExecuteError;
-    return false;
-  }
-
-  scoped_refptr<FileReader> file_reader(new FileReader(
-      resource_, base::Bind(&ExecuteCodeInTabFunction::DidLoadFile, this)));
-  file_reader->Start();
-
-  return true;
-}
-
-void ExecuteCodeInTabFunction::OnExecuteCodeFinished(const std::string& error,
-                                                     int32 on_page_id,
-                                                     const GURL& on_url,
-                                                     const ListValue& result) {
-  if (!error.empty())
-    SetError(error);
-
-  SendResponse(error.empty());
-}
-
-void TabsExecuteScriptFunction::OnExecuteCodeFinished(const std::string& error,
-                                                      int32 on_page_id,
-                                                      const GURL& on_url,
-                                                      const ListValue& result) {
-  if (error.empty())
-    SetResult(result.DeepCopy());
-  ExecuteCodeInTabFunction::OnExecuteCodeFinished(error, on_page_id, on_url,
-                                                  result);
-}
-
-bool ExecuteCodeInTabFunction::Init() {
-  if (details_.get())
-    return true;
-
-  // |tab_id| is optional so it's ok if it's not there.
-  int tab_id = -1;
-  args_->GetInteger(0, &tab_id);
-
-  // |details| are not optional.
-  DictionaryValue* details_value = NULL;
-  if (!args_->GetDictionary(1, &details_value))
-    return false;
-  scoped_ptr<InjectDetails> details(new InjectDetails());
-  if (!InjectDetails::Populate(*details_value, details.get()))
-    return false;
-
-  // If the tab ID is -1 then it needs to be converted to the currently active
-  // tab's ID.
-  if (tab_id == -1) {
-    Browser* browser = GetCurrentBrowser();
-    if (!browser)
-      return false;
-    content::WebContents* web_contents = NULL;
-    if (!ExtensionTabUtil::GetDefaultTab(browser, &web_contents, &tab_id))
-      return false;
-  }
-
-  execute_tab_id_ = tab_id;
-  details_ = details.Pass();
-  return true;
-}
-
-void ExecuteCodeInTabFunction::DidLoadFile(bool success,
-                                           const std::string& data) {
-  std::string function_name = name();
-  const extensions::Extension* extension = GetExtension();
-
-  // Check if the file is CSS and needs localization.
-  if (success &&
-      function_name == TabsInsertCSSFunction::function_name() &&
-      extension != NULL &&
-      data.find(
-          extensions::MessageBundle::kMessageBegin) != std::string::npos) {
-    BrowserThread::PostTask(
-        BrowserThread::FILE, FROM_HERE,
-        base::Bind(&ExecuteCodeInTabFunction::LocalizeCSS, this,
-                   data,
-                   extension->id(),
-                   extension->path(),
-                   extension->default_locale()));
-  } else {
-    DidLoadAndLocalizeFile(success, data);
-  }
-}
-
-void ExecuteCodeInTabFunction::LocalizeCSS(
-    const std::string& data,
-    const std::string& extension_id,
-    const FilePath& extension_path,
-    const std::string& extension_default_locale) {
-  scoped_ptr<SubstitutionMap> localization_messages(
-      extension_file_util::LoadMessageBundleSubstitutionMap(
-          extension_path, extension_id, extension_default_locale));
-
-  // We need to do message replacement on the data, so it has to be mutable.
-  std::string css_data = data;
-  std::string error;
-  extensions::MessageBundle::ReplaceMessagesWithExternalDictionary(
-      *localization_messages, &css_data, &error);
-
-  // Call back DidLoadAndLocalizeFile on the UI thread. The success parameter
-  // is always true, because if loading had failed, we wouldn't have had
-  // anything to localize.
-  BrowserThread::PostTask(
-      BrowserThread::UI, FROM_HERE,
-      base::Bind(&ExecuteCodeInTabFunction::DidLoadAndLocalizeFile, this,
-                 true, css_data));
-}
-
-void ExecuteCodeInTabFunction::DidLoadAndLocalizeFile(bool success,
-                                                      const std::string& data) {
-  if (success) {
-    if (!Execute(data))
-      SendResponse(false);
-  } else {
-#if defined(OS_POSIX)
-    // TODO(viettrungluu): bug: there's no particular reason the path should be
-    // UTF-8, in which case this may fail.
-    error_ = ErrorUtils::FormatErrorMessage(keys::kLoadFileError,
-        resource_.relative_path().value());
-#elif defined(OS_WIN)
-    error_ = ErrorUtils::FormatErrorMessage(keys::kLoadFileError,
-        WideToUTF8(resource_.relative_path().value()));
-#endif  // OS_WIN
-    SendResponse(false);
-  }
-}
-
-bool ExecuteCodeInTabFunction::Execute(const std::string& code_string) {
-  content::WebContents* contents = NULL;
-  Browser* browser = NULL;
-
-  bool success = ExtensionTabUtil::GetTabById(
-      execute_tab_id_, profile(), include_incognito(), &browser, NULL,
-      &contents, NULL) && contents && browser;
-
-  if (!success)
-    return false;
-
-  const extensions::Extension* extension = GetExtension();
-  if (!extension)
-    return false;
-
-  ScriptExecutor::ScriptType script_type = ScriptExecutor::JAVASCRIPT;
-  std::string function_name = name();
-  if (function_name == TabsInsertCSSFunction::function_name()) {
-    script_type = ScriptExecutor::CSS;
-  } else if (function_name != TabsExecuteScriptFunction::function_name()) {
-    NOTREACHED();
-  }
-
-  ScriptExecutor::FrameScope frame_scope =
-      details_->all_frames.get() && *details_->all_frames ?
-          ScriptExecutor::ALL_FRAMES :
-          ScriptExecutor::TOP_FRAME;
-
-  UserScript::RunLocation run_at = UserScript::UNDEFINED;
-  switch (details_->run_at) {
-    case InjectDetails::RUN_AT_NONE:
-    case InjectDetails::RUN_AT_DOCUMENT_IDLE:
-      run_at = UserScript::DOCUMENT_IDLE;
-      break;
-    case InjectDetails::RUN_AT_DOCUMENT_START:
-      run_at = UserScript::DOCUMENT_START;
-      break;
-    case InjectDetails::RUN_AT_DOCUMENT_END:
-      run_at = UserScript::DOCUMENT_END;
-      break;
-  }
-  CHECK_NE(UserScript::UNDEFINED, run_at);
-
-  extensions::TabHelper::FromWebContents(contents)->
-      script_executor()->ExecuteScript(
-          extension->id(),
-          script_type,
-          code_string,
-          frame_scope,
-          run_at,
-          ScriptExecutor::ISOLATED_WORLD,
-          base::Bind(&ExecuteCodeInTabFunction::OnExecuteCodeFinished, this));
-  return true;
-}