Remove frame flattening setting from Chromium.

webkit/glue/webpreferences.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 "webkit/glue/webpreferences.h"
 
 #include "base/basictypes.h"
 #include "base/string_util.h"
 #include "base/utf_string_conversions.h"
 #include "third_party/WebKit/Source/Platform/chromium/public/WebSize.h"
@@ skipping 49 matching lines @@
       dns_prefetching_enabled(true),
       local_storage_enabled(false),
       databases_enabled(false),
       application_cache_enabled(false),
       tabs_to_links(true),
       caret_browsing_enabled(false),
       hyperlink_auditing_enabled(true),
       is_online(true),
       user_style_sheet_enabled(false),
       author_and_user_styles_enabled(true),
-      frame_flattening_enabled(false),
       allow_universal_access_from_file_urls(false),
       allow_file_access_from_file_urls(false),
       webaudio_enabled(false),
       experimental_webgl_enabled(false),
       flash_3d_enabled(true),
       flash_stage3d_enabled(false),
       flash_stage3d_baseline_enabled(false),
       gl_multisampling_enabled(true),
       privileged_webgl_extensions_enabled(false),
       webgl_errors_to_console_enabled(true),
@@ skipping 225 matching lines @@
   settings->setCaretBrowsingEnabled(caret_browsing_enabled);
   settings->setHyperlinkAuditingEnabled(hyperlink_auditing_enabled);
   settings->setCookieEnabled(cookie_enabled);
 
   // This setting affects the behavior of links in an editable region:
   // clicking the link should select it rather than navigate to it.
   // Safari uses the same default. It is unlikley an embedder would want to
   // change this, since it would break existing rich text editors.
   settings->setEditableLinkBehaviorNeverLive();
 
-  settings->setFrameFlatteningEnabled(frame_flattening_enabled);
-
   settings->setFontRenderingModeNormal();
   settings->setJavaEnabled(java_enabled);
 
   // By default, allow_universal_access_from_file_urls is set to false and thus
   // we mitigate attacks from local HTML files by not granting file:// URLs
   // universal access. Only test shell will enable this.
   settings->setAllowUniversalAccessFromFileURLs(
       allow_universal_access_from_file_urls);
   settings->setAllowFileAccessFromFileURLs(allow_file_access_from_file_urls);
 
@@ skipping 159 matching lines @@
     WebPreferences::EDITING_BEHAVIOR_MAC, WebSettings::EditingBehaviorMac);
 COMPILE_ASSERT_MATCHING_ENUMS(
     WebPreferences::EDITING_BEHAVIOR_WIN, WebSettings::EditingBehaviorWin);
 COMPILE_ASSERT_MATCHING_ENUMS(
     WebPreferences::EDITING_BEHAVIOR_UNIX, WebSettings::EditingBehaviorUnix);
 COMPILE_ASSERT_MATCHING_ENUMS(
     WebPreferences::EDITING_BEHAVIOR_ANDROID,
     WebSettings::EditingBehaviorAndroid);
 
 }  // namespace webkit_glue