[Android] Introduce a Java wrapper for TemplateUrlService.

base/base.gyp

Index: base/base.gyp
diff --git a/base/base.gyp b/base/base.gyp
index 7c63ec2a909f20cc89aec2188933709359c1ef1c..3cb206868af7eaf19005811b88c4a9bf93b4b551 100644
--- a/base/base.gyp
+++ b/base/base.gyp
@@ -423,6 +423,7 @@
         # Tests.
         'android/jni_android_unittest.cc',
         'android/jni_array_unittest.cc',
+        'android/jni_map_unittest.cc',
         'android/jni_string_unittest.cc',
         'android/path_utils_unittest.cc',
         'android/scoped_java_ref_unittest.cc',
@@ -1114,11 +1115,46 @@
           'includes': [ '../build/jni_generator.gypi' ],
         },
         {
+          'target_name': 'java_hashmap_jni_headers',
+          'type': 'none',
+          'variables': {
+            'jni_gen_dir': 'base',
+            'input_java_class': 'java/util/HashMap.class',
+            'input_jar_file': '<(android_sdk)/android.jar',
+          },
+          'includes': [ '../build/jar_file_jni_generator.gypi' ],
+        },
+        {
+          'target_name': 'java_iterator_jni_headers',
+          'type': 'none',
+          'variables': {
+            'jni_gen_dir': 'base',
+            'input_java_class': 'java/util/Iterator.class',
+            'input_jar_file': '<(android_sdk)/android.jar',
+          },
+          'includes': [ '../build/jar_file_jni_generator.gypi' ],
+        },
+        {
+          'target_name': 'java_set_jni_headers',
+          'type': 'none',
+          'variables': {
+            'jni_gen_dir': 'base',
+            'input_java_class': 'java/util/Set.class',
+            'input_jar_file': '<(android_sdk)/android.jar',
+          },
+          'includes': [ '../build/jar_file_jni_generator.gypi' ],
+        },
+        {
           'target_name': 'base_java',
           'type': 'none',
           'variables': {
             'java_in_dir': '../base/android/java',
           },
+          'dependencies': [
+              'java_hashmap_jni_headers',
+              'java_iterator_jni_headers',
+              'java_set_jni_headers',
+          ],
           'includes': [ '../build/java.gypi' ],
         },
         {