Disable partial swaps for webview guest renderer until we can figure out how to do that properly.

content/public/common/renderer_preferences.h

 // 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.
 //
 // A struct for managing browser's settings that apply to the renderer or its
 // webview.  These differ from WebPreferences since they apply to Chromium's
 // glue layer rather than applying to just WebKit.
 //
 // Adding new values to this class probably involves updating
 // common/view_messages.h, browser/browser.cc, etc.
@@ skipping 103 matching lines @@
   bool throttle_input_events;
 
   // Specifies whether the renderer reports frame name changes to the browser
   // process.
   // TODO(fsamuel): This is a short-term workaround to avoid regressing
   // Sunspider. We need to find an efficient way to report changes to frame
   // names to the browser process. See http://crbug.com/169110 for more
   // information.
   bool report_frame_name_changes;
 
+  // Specifies whether patially swapping composited buffers is

[piman, 2013/03/06 18:05:16]

typo: partially

+  // allowed for a renderer. Allowing partial swap only turns
+  // in on if supported.

[piman, 2013/03/06 18:05:16]

"turns in on" typo?

[alexst (slow to review), 2013/03/06 18:24:12]

Fixed and rephrased.

+  bool allow_partial_swap;
+
   // Controls deacceleration of touchpad-initiated flings.
   std::vector<float> touchpad_fling_profile;
 
   // Controls deacceleration of touchscreen-initiated flings.
   std::vector<float> touchscreen_fling_profile;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_COMMON_RENDERER_PREFERENCES_H_