Animations: Implement runtime flag for enabling compositor animation timelines.

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 "content/public/common/content_switches.h"
 
 namespace switches {
 
 // The number of MSAA samples for canvas2D. Requires MSAA support by GPU to
 // have an effect. 0 disables MSAA.
@@ skipping 262 matching lines @@
 // Has no effect unless GPU rasterization is enabled.
 const char kDisableAcceleratedJpegDecoding[] =
     "disable-accelerated-jpeg-decoding";
 
 // Enable bleeding-edge code to make Chrome draw content faster. The changes
 // behind this path are very likely to break lots of content.
 // ** DO NOT use this flag unless you know what you are doing. **
 const char kEnableBleedingEdgeRenderingFastPaths[] =
     "enable-bleeding-edge-rendering-fast-paths";
 
+// Enables new cc/animation system (Project Heaviside). crbug.com/394772
+const char kEnableCompositorAnimationTimelines[] =
+    "enable-compositor-animation-timelines";
+
 // Enables LCD text.
 const char kEnableLCDText[]                 = "enable-lcd-text";
 
 // Enables using signed distance fields when rendering text.
 // Only valid if GPU rasterization is enabled as well.
 const char kEnableDistanceFieldText[]       = "enable-distance-field-text";
 
 // Enable the experimental Credential Manager JavaScript API.
 const char kEnableCredentialManagerAPI[]    = "enable-credential-manager-api";
 
@@ skipping 692 matching lines @@
 const char kEnableNpapi[]                   = "enable-npapi";
 
 #if defined(ENABLE_PLUGINS)
 // Enables the plugin power saver feature.
 const char kEnablePluginPowerSaver[] = "enable-plugin-power-saver";
 #endif
 
 // Don't dump stuff here, follow the same order as the header.
 
 }  // namespace switches