Remove all the browser side extensions code from Android.

chrome/browser/extensions/chrome_content_browser_client_extensions_part.cc

 // Copyright 2014 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/chrome_content_browser_client_extensions_part.h"
 
 #include <set>
 
 #include "base/command_line.h"
 #include "chrome/browser/browser_process.h"
+#include "chrome/browser/extensions/api/web_request/web_request_api.h"
 #include "chrome/browser/extensions/browser_permissions_policy_delegate.h"
 #include "chrome/browser/extensions/extension_service.h"
 #include "chrome/browser/extensions/extension_web_ui.h"
 #include "chrome/browser/extensions/extension_webkit_preferences.h"
+#include "chrome/browser/media_galleries/fileapi/media_file_system_backend.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/profiles/profile_io_data.h"
 #include "chrome/browser/profiles/profile_manager.h"
+#include "chrome/browser/renderer_host/chrome_extension_message_filter.h"
+#include "chrome/browser/sync_file_system/local/sync_file_system_backend.h"
 #include "chrome/common/chrome_constants.h"
 #include "chrome/common/extensions/extension_constants.h"
 #include "chrome/common/extensions/extension_process_policy.h"
 #include "chrome/common/extensions/manifest_handlers/app_isolation_info.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/browser_url_handler.h"
 #include "content/public/browser/render_process_host.h"
 #include "content/public/browser/render_view_host.h"
 #include "content/public/browser/site_instance.h"
 #include "content/public/browser/web_contents.h"
 #include "extensions/browser/extension_host.h"
+#include "extensions/browser/extension_message_filter.h"
 #include "extensions/browser/extension_registry.h"
 #include "extensions/browser/extension_system.h"
 #include "extensions/browser/info_map.h"
 #include "extensions/browser/view_type_utils.h"
 #include "extensions/common/constants.h"
 #include "extensions/common/manifest_handlers/background_info.h"
 #include "extensions/common/manifest_handlers/web_accessible_resources_info.h"
 #include "extensions/common/switches.h"
 
-// TODO(thestig): Remove ifdefs when extensions no longer build on mobile.
-#if defined(ENABLE_EXTENSIONS)
-#include "chrome/browser/extensions/api/web_request/web_request_api.h"
-#include "chrome/browser/media_galleries/fileapi/media_file_system_backend.h"
-#include "chrome/browser/renderer_host/chrome_extension_message_filter.h"
-#include "chrome/browser/sync_file_system/local/sync_file_system_backend.h"
-#include "extensions/browser/extension_message_filter.h"
-#endif
-
 using content::BrowserThread;
 using content::BrowserURLHandler;
 using content::RenderViewHost;
 using content::SiteInstance;
 using content::WebContents;
 using content::WebPreferences;
 
 namespace extensions {
 
 namespace {
@@ skipping 344 matching lines @@
   BrowserThread::PostTask(
       BrowserThread::IO,
       FROM_HERE,
       base::Bind(&InfoMap::SetSigninProcess,
                  ExtensionSystem::Get(profile)->info_map(),
                  site_instance->GetProcess()->GetID()));
 }
 
 void ChromeContentBrowserClientExtensionsPart::RenderProcessWillLaunch(
     content::RenderProcessHost* host) {
-#if defined(ENABLE_EXTENSIONS)
   int id = host->GetID();
   Profile* profile = Profile::FromBrowserContext(host->GetBrowserContext());
 
   host->AddFilter(new ChromeExtensionMessageFilter(id, profile));
   host->AddFilter(new ExtensionMessageFilter(id, profile));
   SendExtensionWebRequestStatusToHost(host);
-#endif
 }
 
 void ChromeContentBrowserClientExtensionsPart::SiteInstanceGotProcess(
     SiteInstance* site_instance) {
   Profile* profile = Profile::FromBrowserContext(
       site_instance->GetProcess()->GetBrowserContext());
   ExtensionService* service =
       ExtensionSystem::Get(profile)->extension_service();
   if (!service)
     return;
@@ skipping 108 matching lines @@
 }
 
 void ChromeContentBrowserClientExtensionsPart::
     GetAdditionalAllowedSchemesForFileSystem(
         std::vector<std::string>* additional_allowed_schemes) {
   additional_allowed_schemes->push_back(kExtensionScheme);
 }
 
 void ChromeContentBrowserClientExtensionsPart::GetURLRequestAutoMountHandlers(
     std::vector<fileapi::URLRequestAutoMountHandler>* handlers) {
-#if defined(ENABLE_EXTENSIONS)
   handlers->push_back(
       base::Bind(MediaFileSystemBackend::AttemptAutoMountForURLRequest));
-#endif
 }
 
 void ChromeContentBrowserClientExtensionsPart::GetAdditionalFileSystemBackends(
     content::BrowserContext* browser_context,
     const base::FilePath& storage_partition_path,
     ScopedVector<fileapi::FileSystemBackend>* additional_backends) {
-#if defined(ENABLE_EXTENSIONS)
   base::SequencedWorkerPool* pool = content::BrowserThread::GetBlockingPool();
   additional_backends->push_back(new MediaFileSystemBackend(
       storage_partition_path,
       pool->GetSequencedTaskRunner(
                 pool->GetNamedSequenceToken(
                     MediaFileSystemBackend::kMediaTaskRunnerName)).get()));
 
   additional_backends->push_back(new sync_file_system::SyncFileSystemBackend(
       Profile::FromBrowserContext(browser_context)));
-#endif
 }
 
 void ChromeContentBrowserClientExtensionsPart::
     AppendExtraRendererCommandLineSwitches(base::CommandLine* command_line,
                                            content::RenderProcessHost* process,
                                            Profile* profile) {
   if (!process)
     return;
   DCHECK(profile);
   if (ProcessMap::Get(profile)->Contains(process->GetID()))
     command_line->AppendSwitch(switches::kExtensionProcess);
 }
 
 }  // namespace extensions