content: Split web_drag_dest_gtk.cc into chrome/ and content/ parts.

content/content_browser.gypi

 # Copyright (c) 2011 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': [
     '../crypto/crypto.gyp:crypto',
     '../net/net.gyp:net',
     '../net/net.gyp:http_server',
     '../ppapi/ppapi_internal.gyp:ppapi_proxy',
@@ skipping 464 matching lines @@
     'browser/ssl/ssl_host_state.cc',
     'browser/ssl/ssl_host_state.h',
     'browser/ssl/ssl_manager.cc',
     'browser/ssl/ssl_manager.h',
     'browser/ssl/ssl_policy.cc',
     'browser/ssl/ssl_policy.h',
     'browser/ssl/ssl_policy_backend.cc',
     'browser/ssl/ssl_policy_backend.h',
     'browser/ssl/ssl_request_info.cc',
     'browser/ssl/ssl_request_info.h',
+    'browser/tab_contents/drag_utils_gtk.cc',
+    'browser/tab_contents/drag_utils_gtk.h',
     'browser/tab_contents/interstitial_page.cc',
     'browser/tab_contents/interstitial_page.h',
     'browser/tab_contents/navigation_controller.cc',
     'browser/tab_contents/navigation_controller.h',
     'browser/tab_contents/navigation_details.cc',
     'browser/tab_contents/navigation_details.h',
     'browser/tab_contents/navigation_entry.cc',
     'browser/tab_contents/navigation_entry.h',
     'browser/tab_contents/page_navigator.cc',
     'browser/tab_contents/page_navigator.h',
@@ skipping 162 matching lines @@
         ['exclude', '^browser/renderer_host/render_message_filter_win.cc'],
       ],
     }, {
       'sources/': [
         ['exclude', '^browser/renderer_host/render_widget_host_view_aura.cc'],
         ['exclude', '^browser/renderer_host/render_widget_host_view_aura.h'],
       ],
     }],
   ],
 }