Make Google API keys available for the Java codebase

build/android/java_google_api_keys.gypi

Index: build/android/java_google_api_keys.gypi
diff --git a/build/android/java_google_api_keys.gypi b/build/android/java_google_api_keys.gypi
new file mode 100644
index 0000000000000000000000000000000000000000..ff0103caa8ac0d5b7ffa005070b065ea9f74183a
--- /dev/null
+++ b/build/android/java_google_api_keys.gypi
@@ -0,0 +1,50 @@
+# 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 is meant to be included into a target to provide an action
+# to generate Java source files from the Google API keys using a Python script.
+#
+# To use this, create a gyp target with the following form:
+#  {
+#    'target_name': 'google_api_keys_java',
+#    'type': 'none',
+#    'includes': [ '../build/android/java_google_api_keys.gypi' ],
+#  },
+#
+# Then have the gyp target which compiles the java code depend on the newly
+# created target.
+
+{
+  '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': [
+        '<(DEPTH)/build/android/gyp/java_google_api_keys.py',
+        '<(generator_path)',
+      ],
+      'outputs': [
+        '<(output_file)',
+      ],
+      'action': [
+        'python', '<(generator_path)', '--out', '<(output_file)'
+      ],
+      'message': 'Generating Java from Google API Keys header',
+    },
+  ],
+}