Add a context parameter to callOnMainThread. The old form is going to be...

webkit/glue/webkitclient_impl.cc

 // Copyright (c) 2010 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.
 
 #include "webkit/glue/webkitclient_impl.h"
 
 #if defined(OS_LINUX)
 #include <malloc.h>
 #endif
 
@@ skipping 318 matching lines @@
 }
 
 void WebKitClientImpl::stopSharedTimer() {
   shared_timer_.Stop();
 }
 
 void WebKitClientImpl::callOnMainThread(void (*func)()) {
   main_loop_->PostTask(FROM_HERE, NewRunnableFunction(func));
 }
 
+void WebKitClientImpl::callOnMainThread(void (*func)(void*), void* context) {
+  main_loop_->PostTask(FROM_HERE, NewRunnableFunction(func, context));
+}
+
 base::PlatformFile WebKitClientImpl::databaseOpenFile(
     const WebKit::WebString& vfs_file_name, int desired_flags,
     base::PlatformFile* dir_handle) {
   if (dir_handle)
     *dir_handle = base::kInvalidPlatformFileValue;
   return base::kInvalidPlatformFileValue;
 }
 
 int WebKitClientImpl::databaseDeleteFile(
     const WebKit::WebString& vfs_file_name, bool sync_dir) {
@@ skipping 144 matching lines @@
   ++shared_timer_suspended_;
 }
 
 void WebKitClientImpl::ResumeSharedTimer() {
   // The shared timer may have fired or been adjusted while we were suspended.
   if (--shared_timer_suspended_ == 0 && !shared_timer_.IsRunning())
     setSharedTimerFireTime(shared_timer_fire_time_);
 }
 
 }  // namespace webkit_glue