Set text anti-aliasing settings at PPAPI plugin process on Windows.

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 14 matching lines @@
 #include "ui/base/ui_base_switches.h"
 
 #if defined(OS_WIN)
 #include "base/win/win_util.h"
 #include "base/win/windows_version.h"
 #include "content/child/dwrite_font_proxy/dwrite_font_proxy_init_win.h"
 #include "sandbox/win/src/sandbox.h"
 #include "third_party/WebKit/public/web/win/WebFontRendering.h"
 #include "third_party/skia/include/ports/SkTypeface_win.h"
 #include "ui/display/win/dpi.h"
+#include "ui/gfx/font_render_params.h"
 #include "ui/gfx/win/direct_write.h"
 #endif
 
 #if defined(OS_CHROMEOS)
 #include "base/files/file_util.h"
 #endif
 
 #if defined(OS_LINUX)
 #include "content/public/common/sandbox_init.h"
 #endif
@@ skipping 80 matching lines @@
   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());
+
+  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
 
   main_message_loop.Run();
 
 #if defined(OS_WIN)
   UninitializeDWriteFontProxy();
 #endif
   return 0;
 }
 
 }  // namespace content