PlzNavigate: add cancel navigation logic for uncommitted requests

content/content_browser.gypi

 # Copyright (c) 2012 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.
 
 {
   'dependencies': [
     '../base/base.gyp:base_static',
     '../crypto/crypto.gyp:crypto',
     '../google_apis/google_apis.gyp:google_apis',
     '../net/net.gyp:net',
@@ skipping 569 matching lines @@
       'browser/frame_host/debug_urls.cc',
       'browser/frame_host/debug_urls.h',
       'browser/frame_host/frame_tree.cc',
       'browser/frame_host/frame_tree.h',
       'browser/frame_host/frame_tree_node.cc',
       'browser/frame_host/frame_tree_node.h',
       'browser/frame_host/interstitial_page_impl.cc',
       'browser/frame_host/interstitial_page_impl.h',
       'browser/frame_host/interstitial_page_navigator_impl.cc',
       'browser/frame_host/interstitial_page_navigator_impl.h',
+      'browser/frame_host/navigation_before_commit_info.cc',
       'browser/frame_host/navigation_before_commit_info.h',
       'browser/frame_host/navigation_controller_android.cc',
       'browser/frame_host/navigation_controller_android.h',
       'browser/frame_host/navigation_controller_delegate.h',
       'browser/frame_host/navigation_controller_impl.cc',
       'browser/frame_host/navigation_controller_impl.h',
       'browser/frame_host/navigation_entry_impl.cc',
       'browser/frame_host/navigation_entry_impl.h',
       'browser/frame_host/navigation_entry_screenshot_manager.cc',
       'browser/frame_host/navigation_entry_screenshot_manager.h',
@@ skipping 1269 matching lines @@
       'sources': [
         'browser/media/cdm/browser_cdm_manager.cc',
         'browser/media/cdm/browser_cdm_manager.h',
         # This works on Android because enable_browser_cdms==1 on Android.
         'browser/media/media_web_contents_observer.cc',
         'browser/media/media_web_contents_observer.h',
       ],
     }],
   ],
 }