Policy: generate boilerplate policy type and constant code.

chrome/app/policy/policy_templates.gypi

Index: chrome/app/policy/policy_templates.gypi
diff --git a/chrome/app/policy/policy_templates.gypi b/chrome/app/policy/policy_templates.gypi
index 4f41c3a036d37dadbb3278104edcc409184140d1..b96e13882c17603b857332be2ed4d40241a55726 100644
--- a/chrome/app/policy/policy_templates.gypi
+++ b/chrome/app/policy/policy_templates.gypi
@@ -3,7 +3,95 @@
 # found in the LICENSE file.
 
 {
+  'variables': {
+    'policy_out_dir': '<(SHARED_INTERMEDIATE_DIR)/policy',
+    'generate_policy_source_script':
+       ['python', 'tools/build/generate_policy_source.py'],
+  },
+  'target_defaults': {
+    'variables': {
+      'policy_target': 0,
+    },
+    'target_conditions': [
+      [ 'policy_target==1', {
+        'include_dirs': [
+          '<(policy_out_dir)',
+        ],
+        'actions': [
+          {
+            'variables':
+              {
+                'policy_constant_header':
+                    '<(policy_out_dir)/policy/policy_constants.h',
+                'policy_constant_source':
+                    '<(policy_out_dir)/policy/policy_constants.cc',
+                'configuration_policy_type_header':
+                    '<(policy_out_dir)/policy/configuration_policy_type.h',
+              },
+            'inputs': [
+              'policy_templates.json',
+              '../../tools/build/generate_policy_source.py'
+            ],
+            'outputs': [
+              '<(policy_constant_header)',
+              '<(policy_constant_source)',
+              '<(configuration_policy_type_header)',
+            ],
+            'action_name': 'generate_policy_source',
+            'action': [
+              '<@(generate_policy_source_script)',
+              '--policy-constants-header=<(policy_constant_header)',
+              '--policy-constants-source=<(policy_constant_source)',
+              '--policy-type-header=<(configuration_policy_type_header)',
+              '<(OS)',
+              '<@(_inputs)',
+            ],
+            'message': 'Generating policy source',
+            'process_outputs_as_sources': 1,
+          },
+        ],
+      }, ],
+    ],
+  },
+  'targets': [
+    {
+      'target_name': 'policy',
+      'type': '<(library)',
+      'include_dirs': [
+         '<(policy_out_dir)',
+      ],
+      'direct_dependent_settings': {
+        'include_dirs': [
+          '<(SHARED_INTERMEDIATE_DIR)/policy'
+        ],
+      },
+      'variables': {
+        'policy_target': 1,
+      },
+    },
+  ],
   'conditions': [
+    ['OS=="win"', {
+      'targets': [
+        {
+          'target_name': 'policy_win64',
+          'type': '<(library)',
+          'variables': {
+            'policy_target': 1,
+          },
+          'direct_dependent_settings':  {
+            'include_dirs': [
+              '<(SHARED_INTERMEDIATE_DIR)/policy'
+            ],
+          },
+          'configurations': {
+            'Common_Base': {
+              'msvs_target_platform': 'x64',
+            },
+          },
+        },
+      ],
+    }],
     ['OS=="win" or OS=="mac" or OS=="linux"', {
       'targets': [
         {