Move enable extensions define to a build flag.

chrome/renderer/chrome_render_view_observer.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/renderer/chrome_render_view_observer.h"
 
 #include <stddef.h>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/command_line.h"
 #include "base/debug/crash_logging.h"
 #include "base/message_loop/message_loop.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/string_util.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/trace_event/trace_event.h"
 #include "build/build_config.h"
 #include "chrome/common/chrome_constants.h"
 #include "chrome/common/crash_keys.h"
 #include "chrome/common/render_messages.h"
 #include "chrome/common/url_constants.h"
 #include "chrome/renderer/prerender/prerender_helper.h"
 #include "chrome/renderer/web_apps.h"
 #include "components/web_cache/renderer/web_cache_impl.h"
 #include "content/public/common/bindings_policy.h"
 #include "content/public/renderer/content_renderer_client.h"
 #include "content/public/renderer/render_frame.h"
 #include "content/public/renderer/render_view.h"
+#include "extensions/features/features.h"
 #include "third_party/WebKit/public/web/WebDocument.h"
 #include "third_party/WebKit/public/web/WebLocalFrame.h"
 #include "third_party/WebKit/public/web/WebView.h"
 
-#if defined(ENABLE_EXTENSIONS)
+#if BUILDFLAG(ENABLE_EXTENSIONS)
 #include "chrome/common/extensions/chrome_extension_messages.h"
 #endif
 
 using blink::WebFrame;
 using blink::WebLocalFrame;
 using blink::WebWindowFeatures;
 
 ChromeRenderViewObserver::ChromeRenderViewObserver(
     content::RenderView* render_view,
     web_cache::WebCacheImpl* web_cache_impl)
     : content::RenderViewObserver(render_view),
       web_cache_impl_(web_cache_impl),
       webview_visually_deemphasized_(false) {}
 
 ChromeRenderViewObserver::~ChromeRenderViewObserver() {
 }
 
 bool ChromeRenderViewObserver::OnMessageReceived(const IPC::Message& message) {
   bool handled = true;
   IPC_BEGIN_MESSAGE_MAP(ChromeRenderViewObserver, message)
 #if !defined(OS_ANDROID)
     IPC_MESSAGE_HANDLER(ChromeViewMsg_WebUIJavaScript, OnWebUIJavaScript)
 #endif
-#if defined(ENABLE_EXTENSIONS)
+#if BUILDFLAG(ENABLE_EXTENSIONS)
     IPC_MESSAGE_HANDLER(ChromeViewMsg_SetVisuallyDeemphasized,
                         OnSetVisuallyDeemphasized)
 #endif
 #if defined(OS_ANDROID)
     IPC_MESSAGE_HANDLER(ChromeViewMsg_UpdateBrowserControlsState,
                         OnUpdateBrowserControlsState)
 #endif
     IPC_MESSAGE_HANDLER(ChromeViewMsg_GetWebApplicationInfo,
                         OnGetWebApplicationInfo)
     IPC_MESSAGE_HANDLER(ChromeViewMsg_SetWindowFeatures, OnSetWindowFeatures)
@@ skipping 66 matching lines @@
   render_view()->GetWebView()->setWindowFeatures(window_features);
 }
 
 void ChromeRenderViewObserver::Navigate(const GURL& url) {
   // Execute cache clear operations that were postponed until a navigation
   // event (including tab reload).
   if (web_cache_impl_)
     web_cache_impl_->ExecutePendingClearCache();
 }
 
-#if defined(ENABLE_EXTENSIONS)
+#if BUILDFLAG(ENABLE_EXTENSIONS)
 void ChromeRenderViewObserver::OnSetVisuallyDeemphasized(bool deemphasized) {
   if (webview_visually_deemphasized_ == deemphasized)
     return;
 
   webview_visually_deemphasized_ = deemphasized;
 
   if (deemphasized) {
     // 70% opaque grey.
     SkColor greyish = SkColorSetARGB(178, 0, 0, 0);
     render_view()->GetWebView()->setPageOverlayColor(greyish);
@@ skipping 10 matching lines @@
       !webui_javascript_.empty()) {
     for (const auto& script : webui_javascript_)
       render_view()->GetMainRenderFrame()->ExecuteJavaScript(script);
     webui_javascript_.clear();
   }
 }
 
 void ChromeRenderViewObserver::OnDestruct() {
   delete this;
 }