Chromecast: adds disable_display define for headless builds.

chromecast/browser/cast_content_browser_client.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 "chromecast/browser/cast_content_browser_client.h"
 
 #include "base/command_line.h"
 #include "base/files/scoped_file.h"
 #include "base/i18n/rtl.h"
 #include "base/path_service.h"
@@ skipping 111 matching lines @@
 void CastContentBrowserClient::OverrideWebkitPrefs(
     content::RenderViewHost* render_view_host,
     const GURL& url,
     content::WebPreferences* prefs) {
   prefs->allow_scripts_to_close_windows = true;
   // TODO(lcwu): http://crbug.com/391089. This pref is set to true by default
   // because some content providers such as YouTube use plain http requests
   // to retrieve media data chunks while running in a https page. This pref
   // should be disabled once all the content providers are no longer doing that.
   prefs->allow_running_insecure_content = true;
+#if defined(DISABLE_DISPLAY)
+  prefs->images_enabled = false;
+  prefs->loads_images_automatically = false;
+#endif  // defined(DISABLE_DISPLAY)
 }
 
 std::string CastContentBrowserClient::GetApplicationLocale() {
   const std::string locale(base::i18n::GetConfiguredLocale());
   return locale.empty() ? "en-US" : locale;
 }
 
 void CastContentBrowserClient::AllowCertificateError(
     int render_process_id,
     int render_view_id,
@@ skipping 124 matching lines @@
 content::ExternalVideoSurfaceContainer*
 CastContentBrowserClient::OverrideCreateExternalVideoSurfaceContainer(
     content::WebContents* web_contents) {
   return new ExternalVideoSurfaceContainerImpl(web_contents);
 }
 #endif  // defined(OS_ANDROID) && defined(VIDEO_HOLE)
 
 
 }  // namespace shell
 }  // namespace chromecast