Unify the three places that patch font loading for PDFium on Windows.

content/utility/utility_thread_impl.cc

 // 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.
 
 #include "content/utility/utility_thread_impl.h"
 
 #include <stddef.h>
 
 #include "base/command_line.h"
 #include "base/memory/scoped_vector.h"
@@ skipping 22 matching lines @@
     dest->push_back(typename DEST::value_type(*i));
 }
 
 }  // namespace
 
 UtilityThreadImpl::UtilityThreadImpl() : single_process_(false) {
   Init();
 }
 
 UtilityThreadImpl::UtilityThreadImpl(const std::string& channel_name)
-    : ChildThread(Options(channel_name, false)),
+    : ChildThreadImpl(Options(channel_name, false)),
       single_process_(true) {
   Init();
 }
 
 UtilityThreadImpl::~UtilityThreadImpl() {
 }
 
 void UtilityThreadImpl::Shutdown() {
-  ChildThread::Shutdown();
+  ChildThreadImpl::Shutdown();
 
   if (!single_process_)
     blink::shutdown();
 }
 
-bool UtilityThreadImpl::Send(IPC::Message* msg) {
-  return ChildThread::Send(msg);
-}
-
 void UtilityThreadImpl::ReleaseProcessIfNeeded() {
   if (batch_mode_)
     return;
 
   if (single_process_) {
     // Close the channel to cause UtilityProcessHostImpl to be deleted. We need
     // to take a different code path than the multi-process case because that
     // depends on the child process going away to close the channel, but that
     // can't happen when we're in single process mode.
     channel()->Close();
   } else {
     ChildProcess::current()->ReleaseProcess();
   }
 }
 
-#if defined(OS_WIN)
-
-void UtilityThreadImpl::PreCacheFont(const LOGFONT& log_font) {
-  Send(new ChildProcessHostMsg_PreCacheFont(log_font));
-}
-
-void UtilityThreadImpl::ReleaseCachedFonts() {
-  Send(new ChildProcessHostMsg_ReleaseCachedFonts());
-}
-
-#endif  // OS_WIN
-
 void UtilityThreadImpl::Init() {
   batch_mode_ = false;
   ChildProcess::current()->AddRefProcess();
   if (!single_process_) {
     // We can only initialize WebKit on one thread, and in single process mode
     // we run the utility thread on separate thread. This means that if any code
     // needs WebKit initialized in the utility process, they need to have
     // another path to support single process mode.
     blink_platform_impl_.reset(new BlinkPlatformImpl);
     blink::initialize(blink_platform_impl_.get());
@@ skipping 42 matching lines @@
       Send(new UtilityHostMsg_LoadPluginFailed(i, plugin_paths[i]));
     else
       Send(new UtilityHostMsg_LoadedPlugin(i, plugin));
   }
 
   ReleaseProcessIfNeeded();
 }
 #endif
 
 }  // namespace content