Make <webview> use out-of-process iframe architecture.

components/guest_view.gypi

 # 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.
 {
   'conditions': [
     ['OS != "ios"', {
       'targets': [
         {
           'target_name': 'guest_view_browser',
           'type': 'static_library',
@@ skipping 52 matching lines @@
           ],
           'include_dirs': [
             '..',
           ],
           'sources': [
             'guest_view/renderer/guest_view_container_dispatcher.cc',
             'guest_view/renderer/guest_view_container_dispatcher.h',
             'guest_view/renderer/guest_view_container.cc',
             'guest_view/renderer/guest_view_container.h',
             'guest_view/renderer/guest_view_request.cc',
-            'guest_view/renderer/guest_view_request.h'
+            'guest_view/renderer/guest_view_request.h',
+            'guest_view/renderer/iframe_guest_view_container.cc',
+            'guest_view/renderer/iframe_guest_view_container.h',
+            'guest_view/renderer/iframe_guest_view_request.cc',
+            'guest_view/renderer/iframe_guest_view_request.h',
           ],
         },
         {
           'target_name': 'guest_view_test_support',
           'type': 'static_library',
           'dependencies': [
             '../base/base.gyp:base',
             '../content/content_shell_and_tests.gyp:test_support_content',
             'guest_view_browser',
           ],
           'include_dirs': [
             '..',
           ],
           'sources': [
             'guest_view/browser/test_guest_view_manager.h',
             'guest_view/browser/test_guest_view_manager.cc',
           ],
         }
       ],
         }]
       ]
 }