Use shared D3D9 texture to transport the compositor's backing buffer to the browser...

chrome/chrome_dll.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.
 {
   'conditions': [
     ['OS=="mac" or OS=="win"', {
       'targets': [
         {
           'variables': {
             'conditions' : [
@@ skipping 110 matching lines @@
                     }], ['incremental_chrome_dll==1', {
                       'OutputFile': '$(OutDir)\\initial\\chrome.dll',
                       'UseLibraryDependencyInputs': "true",
                     }],
                   ],
                   'DelayLoadDLLs': [
                     'comdlg32.dll',
                     'crypt32.dll',
                     'cryptui.dll',
                     'dhcpcsvc.dll',
+                    'd3d9.dll',
                     'imagehlp.dll',
                     'imm32.dll',
                     'iphlpapi.dll',
                     'setupapi.dll',
                     'urlmon.dll',
                     'winhttp.dll',
                     'wininet.dll',
                     'winspool.drv',
                     'ws2_32.dll',
                     'wsock32.dll',
@@ skipping 509 matching lines @@
                   ],
                 }],
               ],  # conditions
             }],  # OS=="mac"
           ],  # conditions
         },  # target chrome_dll
       ],  # targets
     }],  # OS=="mac" or OS=="win"
   ],
 }