Force on partial raster for layout tests.

content/public/common/content_switches.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 "build/build_config.h"
 #include "content/public/common/content_switches.h"
 
 namespace switches {
 
 // The number of MSAA samples for canvas2D. Requires MSAA support by GPU to
@@ skipping 207 matching lines @@
 // Disables usage of the namespace sandbox.
 const char kDisableNamespaceSandbox[]       = "disable-namespace-sandbox";
 
 // Disables native GPU memory buffer support.
 const char kDisableNativeGpuMemoryBuffers[] =
     "disable-native-gpu-memory-buffers";
 
 // Disables the Web Notification and the Push APIs.
 const char kDisableNotifications[]          = "disable-notifications";
 
-// Disable partial raster in renderer. Disabling this switch also disables
+// Disable partial raster in the renderer. Disabling this switch also disables
 // the use of persistent gpu memory buffers.
 const char kDisablePartialRaster[] = "disable-partial-raster";
 
+// Enable partial raster in the renderer.
+const char kEnablePartialRaster[] = "enable-partial-raster";
+
 // Disable Pepper3D.
 const char kDisablePepper3d[]               = "disable-pepper-3d";
 
 // Disables the Permissions API.
 const char kDisablePermissionsAPI[]         = "disable-permissions-api";
 
 // Disables compositor-accelerated touch-screen pinch gestures.
 const char kDisablePinch[]                  = "disable-pinch";
 
 // Disable discovering third-party plugins. Effectively loading only
@@ skipping 802 matching lines @@
 const char kMemoryPressureThresholdsMb[] = "memory-pressure-thresholds-mb";
 
 // Enables the exporting of the tracing events to ETW. This is only supported on
 // Windows Vista and later.
 const char kTraceExportEventsToETW[] = "trace-export-events-to-etw";
 #endif
 
 // Don't dump stuff here, follow the same order as the header.
 
 }  // namespace switches