Add a group policy for hardware acceleration.

components/policy/resources/policy_templates.json

 {
 # policy_templates.json - Metafile for policy templates
 #
 # The content of this file is evaluated as a Python expression.
 #
 # This file is used as input to generate the following policy templates:
 # ADM, ADMX+ADML, MCX/plist and html documentation.
 #
 # Policy templates are user interface definitions or documents about the
 # policies that can be used to configure Chrome. Each policy is a name-value
@@ skipping 105 matching lines @@
 #   templates and documentation. The policy definition list that Chrome sees
 #   will include policies marked with 'future'. If a WIP policy isn't meant to
 #   be seen by the policy providers either, the 'supported_on' key should be set
 #   to an empty list.
 #
 # IDs:
 #   Since a Protocol Buffer definition is generated from this file, unique and
 #   persistent IDs for all fields (but not for groups!) are needed. These are
 #   specified by the 'id' keys of each policy. NEVER CHANGE EXISTING IDs,
 #   because doing so would break the deployed wire format!
-#   For your editing convenience: highest ID currently used: 303
+#   For your editing convenience: highest ID currently used: 304
 #
 # Placeholders:
 #   The following placeholder strings are automatically substituted:
 #     $1 -> Google Chrome / Chromium
 #     $2 -> Google Chrome OS / Chromium OS
 #     $3 -> Google Chrome Frame / Chromium Frame
 #     $6 is reserved for doc_writer
 #
 # Device Policy:
 #   An additional flag device_only (optional, defaults to False) indicates
@@ skipping 3093 matching lines @@
         'dynamic_refresh': True,
         'per_profile': True,
       },
       'example_value': False,
       'id': 55,
       'caption': '''Disable support for 3D graphics APIs''',
       'desc': '''Disable support for 3D graphics APIs.
 
       Enabling this setting prevents web pages from accessing the graphics processing unit (GPU). Specifically, web pages can not access the WebGL API and plugins can not use the Pepper 3D API.
 
-      Disabling this setting or leaving it not set potentially allows web pages to use the WebGL API and plugins to use the Pepper 3D API. The default settings of the browser may still require command line arguments to be passed in order to use these APIs.''',
+      Disabling this setting or leaving it not set potentially allows web pages to use the WebGL API and plugins to use the Pepper 3D API. The default settings of the browser may still require command line arguments to be passed in order to use these APIs.
+
+      If HardwareAccelerationModeEnabled is set to false, Disable3DAPIs is ignored and it is equivalent to Disable3DAPIs being set to true.''',
     },
     {
       'name': 'PolicyRefreshRate',
       'type': 'int',
       'schema': { 'type': 'integer' },
       'supported_on': ['chrome_os:11-'],
       'features': {
         'dynamic_refresh': True,
         'per_profile': True,
       },
@@ skipping 4156 matching lines @@
       'desc': '''Enable showing the welcome page on the first browser launch following OS upgrade.
 
       If this policy is set to true or not configured, the browser will re-show the welcome page on the first launch following an OS upgrade.
 
       If this policy is set to false, the browser will not re-show the welcome page on the first launch following an OS upgrade.''',
       'features': {
         'dynamic_refresh': False,
         'per_profile': False
       },
       'example_value': False
-    }
+    },
+    {
+      'name': 'HardwareAccelerationModeEnabled',
+      'type': 'main',
+      'schema': { 'type': 'boolean' },
+      'supported_on': ['chrome.*:45-'],
+      'features': {
+        'dynamic_refresh': False,
+        'per_profile': False,
+      },
+      'example_value': True,
+      'id': 304,
+      'caption': '''Use hardware acceleration when available''',
+      'desc': '''Use hardware acceleration when available.
+
+      If this policy is set to true or left unset, hardware acceleration will be enabled unless a certain GPU feature is blacklisted.
+
+      If this policy is set to false, hardware acceleration will be disabled.''',
+    },
   ],
   'messages': {
     # Messages that are not associated to any policies.
     'win_supported_winxpsp2': {
       'desc': '''A label specifying the oldest possible compatible version of Windows. This text will appear right next to a label containing the text 'Supported on:'.''',
       'text': '''Microsoft Windows XP SP2 or later'''
     },
     'mac_chrome_preferences': {
       'desc': '''A text indicating in Mac OS X Workgroup Manager, that currently the preferences of Chromium are being edited''',
       'text': '''<ph name="PRODUCT_NAME">$1<ex>Google Chrome</ex></ph> preferences'''
@@ skipping 105 matching lines @@
       'desc': '''Text appended in parentheses next to the policies top-level container to indicate that those policies are of the Recommended level''',
       'text': 'Default Settings (users can override)',
     },
     'doc_complex_policies_on_windows': {
       'desc': '''Text pointing the user to a help article for complex policies on Windows''',
       'text': '''encoded as a JSON string, for details see <ph name="COMPLEX_POLICIES_URL">http://www.chromium.org/administrators/complex-policies-on-windows<ex>http://www.chromium.org/administrators/complex-policies-on-windows</ex></ph>''',
     },
   },
   'placeholders': [],
 }