Fix for 128506: Random Chinese/Japanese characters are missing in documents printed via the syst...

content/renderer/render_thread_impl.h

 // 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.
 
 #ifndef CONTENT_RENDERER_RENDER_THREAD_IMPL_H_
 #define CONTENT_RENDERER_RENDER_THREAD_IMPL_H_
 
 #include <set>
 #include <string>
 #include <vector>
 
 #include "base/observer_list.h"
+#include "base/string16.h"
 #include "base/timer.h"
 #include "build/build_config.h"
 #include "content/common/child_process.h"
 #include "content/common/child_thread.h"
 #include "content/common/content_export.h"
 #include "content/common/gpu/client/gpu_channel_host.h"
 #include "content/common/gpu/gpu_process_launch_causes.h"
 #include "content/public/renderer/render_thread.h"
 #include "ipc/ipc_channel_proxy.h"
 #include "ui/gfx/native_widget_types.h"
@@ skipping 209 matching lines @@
   WebGraphicsContext3DCommandBufferImpl* GetGpuVDAContext3D();
 
   // Handle loss of the shared GpuVDAContext3D context above.
   static void OnGpuVDAContextLoss();
 
   // AudioRendererMixerManager instance which manages renderer side mixer
   // instances shared based on configured audio parameters.  Lazily created on
   // first call.
   AudioRendererMixerManager* GetAudioRendererMixerManager();
 
+#if defined(OS_WIN)
+  void PreCacheFontCharacters(const LOGFONT& log_font, const string16& str);
+#endif
+
   // For producing custom V8 histograms. Custom histograms are produced if all
   // RenderViews share the same host, and the host is in the pre-specified set
   // of hosts we want to produce custom diagrams for. The name for a custom
   // diagram is the name of the corresponding generic diagram plus a
   // host-specific suffix.
   class CONTENT_EXPORT HistogramCustomizer {
    public:
     HistogramCustomizer();
     ~HistogramCustomizer();
 
@@ skipping 116 matching lines @@
   scoped_ptr<AudioRendererMixerManager> audio_renderer_mixer_manager_;
 
   HistogramCustomizer histogram_customizer_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderThreadImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_RENDER_THREAD_IMPL_H_