Use ChildThreadImpl::thread_safe_sender in font proxy if available

content/ppapi_plugin/ppapi_plugin_main.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 "base/base_paths.h"
 #include "base/command_line.h"
 #include "base/debug/crash_logging.h"
 #include "base/debug/debugger.h"
 #include "base/files/file_path.h"
 #include "base/i18n/rtl.h"
@@ skipping 113 matching lines @@
   LinuxSandbox::InitializeSandbox();
 #endif
 
   ChildProcess ppapi_process;
   ppapi_process.set_main_thread(
       new PpapiThread(parameters.command_line, false));  // Not a broker.
 
 #if defined(OS_WIN)
   if (!base::win::IsUser32AndGdi32Available())
     gfx::win::MaybeInitializeDirectWrite();
-  InitializeDWriteFontProxy();
-
   blink::WebFontRendering::setDeviceScaleFactor(display::win::GetDPIScale());
+  InitializeDWriteFontProxy(
+      base::Bind(&ppapi::proxy::PluginGlobals::GetBrowserSender,
+                 base::Unretained(ppapi::proxy::PluginGlobals::Get())));
 
   const gfx::FontRenderParams font_params =
       gfx::GetFontRenderParams(gfx::FontRenderParamsQuery(), nullptr);
   blink::WebFontRendering::setAntialiasedTextEnabled(font_params.antialiasing);
   blink::WebFontRendering::setLCDTextEnabled(
       font_params.subpixel_rendering !=
       gfx::FontRenderParams::SUBPIXEL_RENDERING_NONE);
 #endif
 
   base::RunLoop().Run();
 
 #if defined(OS_WIN)
   UninitializeDWriteFontProxy();
 #endif
   return 0;
 }
 
 }  // namespace content