Move enable extensions define to a build flag.

chrome/browser/media/webrtc/media_stream_capture_indicator.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/media/webrtc/media_stream_capture_indicator.h"
 
 #include <stddef.h>
 
 #include <memory>
 #include <string>
 #include <utility>
 
 #include "base/logging.h"
 #include "base/macros.h"
 #include "base/memory/ptr_util.h"
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/app/chrome_command_ids.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/status_icons/status_icon.h"
 #include "chrome/browser/status_icons/status_tray.h"
 #include "chrome/browser/tab_contents/tab_util.h"
 #include "chrome/grit/chromium_strings.h"
 #include "chrome/grit/theme_resources.h"
 #include "components/url_formatter/elide_url.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/content_browser_client.h"
 #include "content/public/browser/web_contents.h"
 #include "content/public/browser/web_contents_delegate.h"
 #include "content/public/browser/web_contents_observer.h"
+#include "extensions/features/features.h"
 #include "ui/base/l10n/l10n_util.h"
 #include "ui/base/resource/resource_bundle.h"
 #include "ui/gfx/image/image_skia.h"
 
-#if defined(ENABLE_EXTENSIONS)
+#if BUILDFLAG(ENABLE_EXTENSIONS)
 #include "chrome/common/extensions/extension_constants.h"
 #include "extensions/browser/extension_registry.h"
 #include "extensions/common/extension.h"
 #endif
 
 using content::BrowserThread;
 using content::WebContents;
 
 namespace {
 
-#if defined(ENABLE_EXTENSIONS)
+#if BUILDFLAG(ENABLE_EXTENSIONS)
 const extensions::Extension* GetExtension(WebContents* web_contents) {
   DCHECK_CURRENTLY_ON(BrowserThread::UI);
 
   if (!web_contents)
     return NULL;
 
   extensions::ExtensionRegistry* registry =
       extensions::ExtensionRegistry::Get(web_contents->GetBrowserContext());
   return registry->enabled_extensions().GetExtensionOrAppByURL(
       web_contents->GetURL());
 }
 
 bool IsWhitelistedExtension(const extensions::Extension* extension) {
   DCHECK_CURRENTLY_ON(BrowserThread::UI);
 
   static const char* const kExtensionWhitelist[] = {
     extension_misc::kHotwordNewExtensionId,
   };
 
   for (size_t i = 0; i < arraysize(kExtensionWhitelist); ++i) {
     if (extension->id() == kExtensionWhitelist[i])
       return true;
   }
 
   return false;
 }
-#endif  // defined(ENABLE_EXTENSIONS)
+#endif  // BUILDFLAG(ENABLE_EXTENSIONS)
 
 base::string16 GetTitle(WebContents* web_contents) {
   DCHECK_CURRENTLY_ON(BrowserThread::UI);
 
   if (!web_contents)
     return base::string16();
 
-#if defined(ENABLE_EXTENSIONS)
+#if BUILDFLAG(ENABLE_EXTENSIONS)
   const extensions::Extension* const extension = GetExtension(web_contents);
   if (extension)
     return base::UTF8ToUTF16(extension->name());
 #endif
 
   return url_formatter::FormatUrlForSecurityDisplay(web_contents->GetURL());
 }
 
 }  // namespace
 
@@ skipping 308 matching lines @@
     // Check if any audio and video devices have been used.
     const WebContentsDeviceUsage& usage = *it.second;
     if (!usage.IsCapturingAudio() && !usage.IsCapturingVideo())
       continue;
 
     WebContents* const web_contents = it.first;
 
     // The audio/video icon is shown only for non-whitelisted extensions or on
     // Android. For regular tabs on desktop, we show an indicator in the tab
     // icon.
-#if defined(ENABLE_EXTENSIONS)
+#if BUILDFLAG(ENABLE_EXTENSIONS)
     const extensions::Extension* extension = GetExtension(web_contents);
     if (!extension || IsWhitelistedExtension(extension))
       continue;
 #endif
 
     audio = audio || usage.IsCapturingAudio();
     video = video || usage.IsCapturingVideo();
 
     command_targets_.push_back(web_contents);
     menu->AddItem(command_id, GetTitle(web_contents));
@@ skipping 36 matching lines @@
   } else if (audio && !video) {
     message_id = IDS_MEDIA_STREAM_STATUS_TRAY_TEXT_AUDIO_ONLY;
     *image = *mic_image_;
   } else if (!audio && video) {
     message_id = IDS_MEDIA_STREAM_STATUS_TRAY_TEXT_VIDEO_ONLY;
     *image = *camera_image_;
   }
 
   *tool_tip = l10n_util::GetStringUTF16(message_id);
 }