Added directwrite warmup for PPAPI processes.

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/debugger.h"
 #include "base/files/file_path.h"
 #include "base/i18n/rtl.h"
 #include "base/message_loop/message_loop.h"
 #include "base/path_service.h"
 #include "base/threading/platform_thread.h"
 #include "build/build_config.h"
 #include "content/child/child_process.h"
 #include "content/common/content_constants_internal.h"
 #include "content/common/sandbox_linux/sandbox_linux.h"
 #include "content/ppapi_plugin/ppapi_thread.h"
 #include "content/public/common/content_client.h"
 #include "content/public/common/content_switches.h"
 #include "content/public/common/main_function_params.h"
 #include "content/public/plugin/content_plugin_client.h"
 #include "crypto/nss_util.h"
 #include "ppapi/proxy/plugin_globals.h"
 #include "ppapi/proxy/proxy_module.h"
 #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/common/render_font_warmup_win.h"
 #include "sandbox/win/src/sandbox.h"
+#include "skia/ext/fontmgr_default_win.h"
+#include "skia/ext/refptr.h"
+#include "third_party/WebKit/public/web/win/WebFontRendering.h"
+#include "third_party/skia/include/ports/SkFontMgr.h"
 #include "third_party/skia/include/ports/SkTypeface_win.h"
+#include "ui/gfx/hud_font.h"
+#include "ui/gfx/win/direct_write.h"
+#include "ui/gfx/win/dpi.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 10 matching lines @@
 namespace content {
 
 namespace {
 
 #if defined(OS_WIN)
 // Windows-only skia sandbox support
 void SkiaPreCacheFont(const LOGFONT& logfont) {
   ppapi::proxy::PluginGlobals::Get()->PreCacheFontForFlash(
       reinterpret_cast<const void*>(&logfont));
 }
+
+void WarmupDirectWrite() {
+  // The objects used here are intentionally not freed as we want the Skia
+  // code to use these objects after warmup.
+  SetDefaultSkiaFactory(GetPreSandboxWarmupFontMgr());
+
+  // We need to warm up *some* font for DirectWrite. We also need to pass one
+  // down for the CC HUD code, so use the same one here. Note that we don't use
+  // a monospace as would be nice in an attempt to avoid a small startup time
+  // regression, see http://crbug.com/463613.
+  skia::RefPtr<SkTypeface> hud_typeface = skia::AdoptRef(
+      GetPreSandboxWarmupFontMgr()->legacyCreateTypeface("Times New Roman", 0));
+  DoPreSandboxWarmupForTypeface(hud_typeface.get());
+  gfx::SetHudTypeface(hud_typeface);
+}
+
 #endif
 
 }  // namespace
 
 // Main function for starting the PPAPI plugin process.
 int PpapiPluginMain(const MainFunctionParams& parameters) {
   const base::CommandLine& command_line = parameters.command_line;
 
 #if defined(OS_WIN)
   g_target_services = parameters.sandbox_info->target_services;
@@ skipping 58 matching lines @@
 
 #if defined(OS_LINUX)
   LinuxSandbox::InitializeSandbox();
 #endif
 
   ChildProcess ppapi_process;
   ppapi_process.set_main_thread(
       new PpapiThread(parameters.command_line, false));  // Not a broker.
 
 #if defined(OS_WIN)
-  SkTypeface_SetEnsureLOGFONTAccessibleProc(SkiaPreCacheFont);
+  if (IsWin32kLockdownEnabled())
+    gfx::win::MaybeInitializeDirectWrite();
+  bool use_direct_write = gfx::win::IsDirectWriteEnabled();
+  if (use_direct_write) {
+    WarmupDirectWrite();
+  } else {
+    SkTypeface_SetEnsureLOGFONTAccessibleProc(SkiaPreCacheFont);
+  }
+
+  blink::WebFontRendering::setUseDirectWrite(use_direct_write);
+  blink::WebFontRendering::setDeviceScaleFactor(gfx::GetDPIScale());
 #endif
 
   main_message_loop.Run();
   return 0;
 }
 
 }  // namespace content