Make use of the new version flag in Chrome to load the correct chrome.dll ver...

chrome_frame/chrome_frame_automation.cc

Index: chrome_frame/chrome_frame_automation.cc
===================================================================
--- chrome_frame/chrome_frame_automation.cc	(revision 66270)
+++ chrome_frame/chrome_frame_automation.cc	(working copy)
@@ -45,6 +45,15 @@
 // threads.
 Lock g_ChromeFrameHistogramLock;
 
+namespace {
+std::wstring GetCurrentModuleVersion() {
+  scoped_ptr<FileVersionInfo> module_version_info(
+      FileVersionInfo::CreateFileVersionInfoForCurrentModule());
+  DCHECK(module_version_info.get() != NULL);
+  return module_version_info->file_version();
+}
+}
+
 class ChromeFrameAutomationProxyImpl::TabProxyNotificationMessageFilter
     : public IPC::ChannelProxy::MessageFilter {
  public:
@@ -305,6 +314,10 @@
   command_line->AppendSwitchPath(switches::kUserDataDir,
                                  params->profile_path());
 
+  // Ensure that Chrome is running the specified version of chrome.dll.
+  command_line->AppendSwitchNative(switches::kChromeVersion,
+                                   GetCurrentModuleVersion());
+
   if (!params->language().empty())
     command_line->AppendSwitchNative(switches::kLang, params->language());
 
@@ -1301,14 +1314,7 @@
 }
 
 std::wstring ChromeFrameAutomationClient::GetVersion() const {
-  static FileVersionInfo* version_info =
-      FileVersionInfo::CreateFileVersionInfoForCurrentModule();
-
-  std::wstring version;
-  if (version_info)
-    version = version_info->product_version();
-
-  return version;
+  return GetCurrentModuleVersion();
 }
 
 void ChromeFrameAutomationClient::Print(HDC print_dc,