Make Google API keys available for the Java codebase

build/android/java_google_api_keys.gyp

+# Copyright 2015 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.
+
+# This file provides an action to generate Java source files from the Google
+# API keys using a Python script.
+
+{
+  'targets': [
+    {
+      'target_name': 'google_api_keys_java',
+      'type': 'none',
+      'variables': {
+        # Location where all generated Java sources will be placed.
+        'output_dir': '<(SHARED_INTERMEDIATE_DIR)/java_google_api_keys',
+        'generator_path': '<(DEPTH)/build/android/gyp/java_google_api_keys.py',
+        'output_file': '<(output_dir)/GoogleAPIKeys.java',
+      },
+      'direct_dependent_settings': {
+        'variables': {
+          # Ensure that the output directory is used in the class path
+          # when building targets that depend on this one.
+          'generated_src_dirs': [
+            '<(output_dir)/',
+          ],
+        },
+      },
+      'actions': [
+        {
+          'action_name': 'generate_java_google_api_keys',
+          'inputs': [
+            '<(generator_path)',
+          ],
+          'outputs': [
+            '<(output_file)',
+          ],
+          'action': [
+            'python', '<(generator_path)', '--out', '<(output_file)'
+          ],
+          'message': 'Generating Java from Google API Keys header',
+        },
+      ],
+    },
+  ],
+}