Print Preview component extension

chrome/browser/profile.cc

 // Copyright (c) 2010 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/profile.h"
 
 #include "app/resource_bundle.h"
 #include "app/theme_provider.h"
 #include "base/command_line.h"
 #include "base/env_var.h"
@@ skipping 838 matching lines @@
       this,
       CommandLine::ForCurrentProcess(),
       GetPrefs(),
       GetPath().AppendASCII(ExtensionsService::kInstallDirectoryName),
       true);
 
   // Register the component extensions.
   typedef std::list<std::pair<std::string, int> > ComponentExtensionList;
   ComponentExtensionList component_extensions;
 
-  // Bookmark manager.
   component_extensions.push_back(
       std::make_pair("bookmark_manager", IDR_BOOKMARKS_MANIFEST));
+  if (command_line->HasSwitch(switches::kEnablePrintPreview)) {
+    component_extensions.push_back(
+        std::make_pair("print_preview", IDR_PRINT_PREVIEW_MANIFEST));
+  }
 
   // Some sample apps to make our lives easier while we are developing extension
   // apps. This way we don't have to constantly install these over and over.
   if (Extension::AppsAreEnabled() && IncludeDefaultApps()) {
     component_extensions.push_back(
         std::make_pair("gmail_app", IDR_GMAIL_APP_MANIFEST));
     component_extensions.push_back(
         std::make_pair("calendar_app", IDR_CALENDAR_APP_MANIFEST));
     component_extensions.push_back(
         std::make_pair("docs_app", IDR_DOCS_APP_MANIFEST));
@@ skipping 802 matching lines @@
       new ProfileSyncFactoryImpl(this, CommandLine::ForCurrentProcess()));
   sync_service_.reset(
       profile_sync_factory_->CreateProfileSyncService());
   sync_service_->Initialize();
 }
 
 void ProfileImpl::InitCloudPrintProxyService() {
   cloud_print_proxy_service_.reset(new CloudPrintProxyService(this));
   cloud_print_proxy_service_->Initialize();
 }