Implementation of dwrite font proxy and removal of dwrite font cache

content/test/layouttest_support.cc

Index: content/test/layouttest_support.cc
diff --git a/content/test/layouttest_support.cc b/content/test/layouttest_support.cc
index 62bba469e97851857a88e6072b37df39e60945f0..ad8e7e34347381023fd256a0bce6dba38f4fb416 100644
--- a/content/test/layouttest_support.cc
+++ b/content/test/layouttest_support.cc
@@ -35,9 +35,9 @@
 #if defined(OS_MACOSX)
 #include "content/browser/frame_host/popup_menu_helper_mac.h"
 #elif defined(OS_WIN)
-#include "content/common/font_warmup_win.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/win/direct_write.h"
 #endif
 
@@ -89,6 +89,13 @@ RenderFrameImpl* CreateWebFrameTestProxy(
 }
 
 #if defined(OS_WIN)
+void DoPreSandboxWarmupForTypeface(SkTypeface* typeface) {
+  SkPaint paint_warmup;
+  paint_warmup.setTypeface(typeface);
+  wchar_t glyph = L'S';
+  paint_warmup.measureText(&glyph, 2);
+}
+
 // DirectWrite only has access to %WINDIR%\Fonts by default. For developer
 // side-loading, support kRegisterFontFiles to allow access to additional fonts.
 void RegisterSideloadedTypefaces(SkFontMgr* fontmgr) {
@@ -170,7 +177,7 @@ void EnableRendererLayoutTestMode() {
 
 #if defined(OS_WIN)
   if (gfx::win::ShouldUseDirectWrite())
-    RegisterSideloadedTypefaces(GetPreSandboxWarmupFontMgr());
+    RegisterSideloadedTypefaces(SkFontMgr_New_DirectWrite());
 #endif
 }