ifdef more extensions code to be used only when extensions are enabled.

chrome/browser/renderer_host/chrome_resource_dispatcher_host_delegate.cc

 // 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/renderer_host/chrome_resource_dispatcher_host_delegate.h"
 
 #include <string>
 #include <vector>
 
 #include "base/base64.h"
 #include "base/guid.h"
 #include "base/logging.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/chrome_notification_types.h"
 #include "chrome/browser/component_updater/component_updater_service.h"
 #include "chrome/browser/component_updater/pnacl/pnacl_component_installer.h"
 #include "chrome/browser/content_settings/host_content_settings_map.h"
 #include "chrome/browser/download/download_request_limiter.h"
 #include "chrome/browser/download/download_resource_throttle.h"
-#include "chrome/browser/extensions/api/streams_private/streams_private_api.h"
-#include "chrome/browser/extensions/user_script_listener.h"
 #include "chrome/browser/prefetch/prefetch.h"
 #include "chrome/browser/prerender/prerender_manager.h"
 #include "chrome/browser/prerender/prerender_manager_factory.h"
 #include "chrome/browser/prerender/prerender_pending_swap_throttle.h"
 #include "chrome/browser/prerender/prerender_resource_throttle.h"
 #include "chrome/browser/prerender/prerender_tracker.h"
 #include "chrome/browser/prerender/prerender_util.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/profiles/profile_io_data.h"
 #include "chrome/browser/renderer_host/safe_browsing_resource_throttle_factory.h"
 #include "chrome/browser/safe_browsing/safe_browsing_service.h"
 #include "chrome/browser/signin/signin_header_helper.h"
 #include "chrome/browser/tab_contents/tab_util.h"
 #include "chrome/browser/ui/login/login_prompt.h"
 #include "chrome/browser/ui/sync/one_click_signin_helper.h"
 #include "chrome/common/extensions/extension_constants.h"
-#include "chrome/common/extensions/manifest_handlers/mime_types_handler.h"
 #include "chrome/common/render_messages.h"
 #include "chrome/common/url_constants.h"
 #include "components/google/core/browser/google_util.h"
 #include "components/variations/variations_http_header_provider.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/notification_service.h"
 #include "content/public/browser/render_process_host.h"
 #include "content/public/browser/render_view_host.h"
 #include "content/public/browser/resource_context.h"
 #include "content/public/browser/resource_dispatcher_host.h"
 #include "content/public/browser/resource_request_info.h"
 #include "content/public/browser/stream_handle.h"
 #include "content/public/browser/web_contents.h"
 #include "content/public/common/resource_response.h"
-#include "extensions/browser/info_map.h"
-#include "extensions/common/constants.h"
-#include "extensions/common/user_script.h"
 #include "net/base/load_flags.h"
 #include "net/base/load_timing_info.h"
 #include "net/base/request_priority.h"
 #include "net/http/http_response_headers.h"
 #include "net/url_request/url_request.h"
 
 #if defined(ENABLE_EXTENSIONS)
+#include "chrome/browser/apps/app_url_redirector.h"
+#include "chrome/browser/apps/ephemeral_app_throttle.h"
+#include "chrome/browser/extensions/api/streams_private/streams_private_api.h"
+#include "chrome/browser/extensions/user_script_listener.h"
 #include "chrome/browser/guest_view/web_view/web_view_renderer_state.h"
+#include "chrome/common/extensions/manifest_handlers/mime_types_handler.h"
+#include "extensions/browser/info_map.h"
+#include "extensions/common/constants.h"
+#include "extensions/common/user_script.h"
 #endif
 
 #if defined(ENABLE_CONFIGURATION_POLICY)
 #include "components/policy/core/common/cloud/policy_header_io_helper.h"
 #endif
 
 #if defined(ENABLE_MANAGED_USERS)
 #include "chrome/browser/supervised_user/supervised_user_resource_throttle.h"
 #endif
 
 #if defined(USE_SYSTEM_PROTOBUF)
 #include <google/protobuf/repeated_field.h>
 #else
 #include "third_party/protobuf/src/google/protobuf/repeated_field.h"
 #endif
 
 #if defined(OS_ANDROID)
 #include "chrome/browser/android/intercept_download_resource_throttle.h"
 #include "chrome/browser/ui/android/infobars/auto_login_prompter.h"
 #include "components/navigation_interception/intercept_navigation_delegate.h"
-#else
-#include "chrome/browser/apps/app_url_redirector.h"
-#include "chrome/browser/apps/ephemeral_app_throttle.h"
 #endif
 
 #if defined(OS_CHROMEOS)
 #include "chrome/browser/chromeos/login/signin/merge_session_throttle.h"
 // TODO(oshima): Enable this for other platforms.
 #include "chrome/browser/renderer_host/offline_resource_throttle.h"
 #endif
 
 using content::BrowserThread;
 using content::RenderViewHost;
 using content::ResourceDispatcherHostLoginDelegate;
 using content::ResourceRequestInfo;
 using content::ResourceType;
+
+#if defined(ENABLE_EXTENSIONS)
 using extensions::Extension;
 using extensions::StreamsPrivateAPI;
+#endif
 
 #if defined(OS_ANDROID)
 using navigation_interception::InterceptNavigationDelegate;
 #endif
 
 namespace {
 
 ExternalProtocolHandler::Delegate* g_external_protocol_handler_delegate = NULL;
 
 void NotifyDownloadInitiatedOnUI(int render_process_id, int render_view_id) {
@@ skipping 135 matching lines @@
         cus->GetOnDemandUpdater().GetOnDemandResourceThrottle(request, crx_id));
   }
 }
 
 }  // end namespace
 
 ChromeResourceDispatcherHostDelegate::ChromeResourceDispatcherHostDelegate(
     prerender::PrerenderTracker* prerender_tracker)
     : download_request_limiter_(g_browser_process->download_request_limiter()),
       safe_browsing_(g_browser_process->safe_browsing_service()),
+#if defined(ENABLE_EXTENSIONS)
       user_script_listener_(new extensions::UserScriptListener()),
+#endif
       prerender_tracker_(prerender_tracker) {
 }
 
 ChromeResourceDispatcherHostDelegate::~ChromeResourceDispatcherHostDelegate() {
+#if defined(ENABLE_EXTENSIONS)
   CHECK(stream_target_info_.empty());
+#endif
 }
 
 bool ChromeResourceDispatcherHostDelegate::ShouldBeginRequest(
     int child_id,
     int route_id,
     const std::string& method,
     const GURL& url,
     ResourceType::Type resource_type,
     content::ResourceContext* resource_context) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
@@ skipping 223 matching lines @@
   }
 #endif
 
 #if defined(ENABLE_MANAGED_USERS)
   bool is_subresource_request = resource_type != ResourceType::MAIN_FRAME;
   throttles->push_back(new SupervisedUserResourceThrottle(
         request, !is_subresource_request,
         io_data->supervised_user_url_filter()));
 #endif
 
+#if defined(ENABLE_EXTENSIONS)
   content::ResourceThrottle* throttle =
       user_script_listener_->CreateResourceThrottle(request->url(),
                                                     resource_type);
   if (throttle)
     throttles->push_back(throttle);
+#endif
 
   const ResourceRequestInfo* info = ResourceRequestInfo::ForRequest(request);
   if (info->GetVisibilityState() == blink::WebPageVisibilityStatePrerender) {
     throttles->push_back(new prerender::PrerenderResourceThrottle(request));
   }
   if (prerender_tracker_->IsPendingSwapRequestOnIOThread(
           info->GetChildID(), info->GetRenderFrameID(), request->url())) {
     throttles->push_back(new prerender::PrerenderPendingSwapThrottle(
         request, prerender_tracker_));
   }
@@ skipping 16 matching lines @@
       request->RemoveRequestHeaderByName(kAllowChromeSignIn);
       break;
     case OneClickSigninHelper::IGNORE_REQUEST:
       break;
   }
 }
 #endif
 
 bool ChromeResourceDispatcherHostDelegate::ShouldForceDownloadResource(
     const GURL& url, const std::string& mime_type) {
+#if defined(ENABLE_EXTENSIONS)
   // Special-case user scripts to get downloaded instead of viewed.
   return extensions::UserScript::IsURLUserScript(url, mime_type);
+#else
+  return false;
+#endif
 }
 
 bool ChromeResourceDispatcherHostDelegate::ShouldInterceptResourceAsStream(
     net::URLRequest* request,
     const std::string& mime_type,
     GURL* origin,
     std::string* payload) {
 #if !defined(OS_ANDROID)
   const ResourceRequestInfo* info = ResourceRequestInfo::ForRequest(request);
   ProfileIOData* io_data =
@@ skipping 160 matching lines @@
                                        url_request->GetTotalReceivedBytes()));
   }
 }
 
 // static
 void ChromeResourceDispatcherHostDelegate::
     SetExternalProtocolHandlerDelegateForTesting(
     ExternalProtocolHandler::Delegate* delegate) {
   g_external_protocol_handler_delegate = delegate;
 }