Move enable extensions define to a build flag.

chrome/browser/task_manager/web_contents_tags.cc

 // Copyright 2015 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/task_manager/web_contents_tags.h"
 
 #include "chrome/browser/task_manager/providers/web_contents/background_contents_tag.h"
 #include "chrome/browser/task_manager/providers/web_contents/devtools_tag.h"
 #include "chrome/browser/task_manager/providers/web_contents/extension_tag.h"
 #include "chrome/browser/task_manager/providers/web_contents/guest_tag.h"
 #include "chrome/browser/task_manager/providers/web_contents/prerender_tag.h"
 #include "chrome/browser/task_manager/providers/web_contents/printing_tag.h"
 #include "chrome/browser/task_manager/providers/web_contents/tab_contents_tag.h"
 #include "chrome/browser/task_manager/providers/web_contents/web_contents_tags_manager.h"
 #include "components/guest_view/browser/guest_view_base.h"
 #include "content/public/browser/web_contents.h"
 #include "extensions/browser/view_type_utils.h"
+#include "extensions/features/features.h"
 #include "printing/features/features.h"
 
-#if defined(ENABLE_EXTENSIONS)
+#if BUILDFLAG(ENABLE_EXTENSIONS)
 #include "extensions/browser/process_manager.h"
 #endif
 
 namespace task_manager {
 
 #if defined(ENABLE_TASK_MANAGER)
 namespace {
 
 // Adds the |tag| to |contents|. It also adds the |tag| to the
 // |WebContentsTagsManager|.
 // Note: This will fail if |contents| is already tagged by |tag|.
 void TagWebContents(content::WebContents* contents,
                     WebContentsTag* tag,
                     void* tag_key) {
   DCHECK(contents);
   DCHECK(tag);
   DCHECK(WebContentsTag::FromWebContents(contents) == nullptr);
   contents->SetUserData(tag_key, tag);
   WebContentsTagsManager::GetInstance()->AddTag(tag);
 }
 
-#if defined(ENABLE_EXTENSIONS)
+#if BUILDFLAG(ENABLE_EXTENSIONS)
 
 bool IsExtensionWebContents(content::WebContents* contents) {
   DCHECK(contents);
 
   if (guest_view::GuestViewBase::IsGuest(contents))
     return false;
 
   extensions::ViewType view_type = extensions::GetViewType(contents);
   return (view_type != extensions::VIEW_TYPE_INVALID &&
           view_type != extensions::VIEW_TYPE_TAB_CONTENTS &&
           view_type != extensions::VIEW_TYPE_BACKGROUND_CONTENTS);
 }
 
-#endif  // defined(ENABLE_EXTENSIONS)
+#endif  // BUILDFLAG(ENABLE_EXTENSIONS)
 
 }  // namespace
 #endif  // defined(ENABLE_TASK_MANAGER)
 
 // static
 void WebContentsTags::CreateForBackgroundContents(
     content::WebContents* web_contents,
     BackgroundContents* background_contents) {
 #if defined(ENABLE_TASK_MANAGER)
   if (!WebContentsTag::FromWebContents(web_contents)) {
@@ skipping 61 matching lines @@
     TagWebContents(web_contents,
                    new GuestTag(web_contents),
                    WebContentsTag::kTagKey);
   }
 #endif  // defined(ENABLE_TASK_MANAGER)
 }
 
 // static
 void WebContentsTags::CreateForExtension(content::WebContents* web_contents,
                                          extensions::ViewType view_type) {
-#if defined(ENABLE_TASK_MANAGER) && defined(ENABLE_EXTENSIONS)
+#if defined(ENABLE_TASK_MANAGER) && BUILDFLAG(ENABLE_EXTENSIONS)
   DCHECK(IsExtensionWebContents(web_contents));
 
   if (!WebContentsTag::FromWebContents(web_contents)) {
     TagWebContents(web_contents,
                    new ExtensionTag(web_contents, view_type),
                    WebContentsTag::kTagKey);
   }
-#endif  // defined(ENABLE_TASK_MANAGER) && defined(ENABLE_EXTENSIONS)
+#endif  // defined(ENABLE_TASK_MANAGER) && BUILDFLAG(ENABLE_EXTENSIONS)
 }
 
 // static
 void WebContentsTags::ClearTag(content::WebContents* web_contents) {
 #if defined(ENABLE_TASK_MANAGER)
   const WebContentsTag* tag = WebContentsTag::FromWebContents(web_contents);
   WebContentsTagsManager::GetInstance()->ClearFromProvider(tag);
   web_contents->RemoveUserData(WebContentsTag::kTagKey);
 #endif  // defined(ENABLE_TASK_MANAGER)
 }
 
 }  // namespace task_manager