Establish components/autofill and move some files

components/autofill.gypi

+# Copyright (c) 2013 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.
+
+{
+  'conditions': [
+    ['OS != "ios"', {
+      'targets': [
+        {
+          'target_name': 'autofill_common',
+          'type': 'static_library',
+          'include_dirs': [
+            '..',
+          ],
+          'dependencies': [
+            '../base/base.gyp:base',
+            '../build/temp_gyp/googleurl.gyp:googleurl',
+            '../content/content.gyp:content_common',
+            '../ipc/ipc.gyp:ipc',
+            '../third_party/WebKit/Source/WebKit/chromium/WebKit.gyp:webkit',
+            '../ui/ui.gyp:ui',
+          ],
+          'sources': [
+            'autofill/common/autocheckout_status.h',
+            'autofill/common/autofill_messages.h',
+            'autofill/common/form_data.cc',
+            'autofill/common/form_data.h',
+            'autofill/common/form_data_predictions.cc',
+            'autofill/common/form_data_predictions.h',
+            'autofill/common/form_field_data.cc',
+            'autofill/common/form_field_data.h',
+            'autofill/common/form_field_data_predictions.cc',
+            'autofill/common/form_field_data_predictions.h',
+            'autofill/common/password_form_fill_data.cc',
+            'autofill/common/password_form_fill_data.h',
+            'autofill/common/web_element_descriptor.cc',
+            'autofill/common/web_element_descriptor.h',
+          ],
+        },
+      ],
+    }],
+  ],
+}