Add build target for inputview.

third_party/google_input_tools/inputview.gyp

+# Copyright 2014 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.
+
+{
+  'targets': [
+    {
+      'target_name': 'inputview',
+      'type': 'none',
+      'includes': [ 'inputview.gypi' ],
+      'actions': [
+        {
+          'action_name': 'inputview',
+          'inputs': [
+            'builder.py',
+            '<@(inputview_sources)',
+          ],
+          'outputs': [
+            '<(SHARED_INTERMEDIATE_DIR)/ui/keyboard/resources/inputview.js',
+          ],
+          'action': [
+            'python',
+            'builder.py',
+            '--target',
+            '<@(_outputs)',
+            '--sources',
+            '<@(inputview_sources)',
+          ],
+          'message': 'Generating <@(_outputs)'
+        },
+      ],
+    },
+  ],
+}