Makes the browser send pixels to the GPU process where it should

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/string_util.h"
 #include "base/utf_string_conversions.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebCompositor.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebNetworkStateNotifier.h"
@@ skipping 20 matching lines @@
 // "Zyyy" is the ISO 15924 script code for undetermined script aka Common.
 const char WebPreferences::kCommonScript[] = "Zyyy";
 
 WebPreferences::WebPreferences()
     : default_font_size(16),
       default_fixed_font_size(13),
       minimum_font_size(0),
       minimum_logical_font_size(6),
       default_device_scale_factor(1),
       default_encoding("ISO-8859-1"),
+      apply_default_device_scale_factor_in_compositor(false),
       javascript_enabled(true),
       web_security_enabled(true),
       javascript_can_open_windows_automatically(true),
       loads_images_automatically(true),
       images_enabled(true),
       plugins_enabled(true),
       dom_paste_enabled(false),  // enables execCommand("paste")
       developer_extras_enabled(false),  // Requires extra work by embedder
       site_specific_quirks_enabled(false),
       shrinks_standalone_images_to_fit(true),
@@ skipping 140 matching lines @@
   ApplyFontsFromMap(cursive_font_family_map, setCursiveFontFamilyWrapper,
                     settings);
   ApplyFontsFromMap(fantasy_font_family_map, setFantasyFontFamilyWrapper,
                     settings);
   settings->setDefaultFontSize(default_font_size);
   settings->setDefaultFixedFontSize(default_fixed_font_size);
   settings->setMinimumFontSize(minimum_font_size);
   settings->setMinimumLogicalFontSize(minimum_logical_font_size);
   settings->setDefaultDeviceScaleFactor(default_device_scale_factor);
   settings->setDefaultTextEncodingName(ASCIIToUTF16(default_encoding));
+  settings->setApplyDefaultDeviceScaleFactorInCompositor(
+      apply_default_device_scale_factor_in_compositor);
   settings->setJavaScriptEnabled(javascript_enabled);
   settings->setWebSecurityEnabled(web_security_enabled);
   settings->setJavaScriptCanOpenWindowsAutomatically(
       javascript_can_open_windows_automatically);
   settings->setLoadsImagesAutomatically(loads_images_automatically);
   settings->setImagesEnabled(images_enabled);
   settings->setPluginsEnabled(plugins_enabled);
   settings->setDOMPasteAllowed(dom_paste_enabled);
   settings->setDeveloperExtrasEnabled(developer_extras_enabled);
   settings->setNeedsSiteSpecificQuirks(site_specific_quirks_enabled);
@@ skipping 151 matching lines @@
 
   settings->setDefaultTileSize(
       WebSize(default_tile_width, default_tile_height));
   settings->setMaxUntiledLayerSize(
       WebSize(max_untiled_layer_width, max_untiled_layer_height));
 
   WebNetworkStateNotifier::setOnLine(is_online);
 }
 
 }  // namespace webkit_glue