Switch to direct write font proxy and remove the 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 a131174072d9edbb64cc3b706d8656cc35c9c70e..ebc0fa1abd3335633b4a53d1a750b0bdcb3e5154 100644
--- a/content/test/layouttest_support.cc
+++ b/content/test/layouttest_support.cc
@@ -37,9 +37,9 @@
 #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
 
@@ -100,7 +100,6 @@ void RegisterSideloadedTypefaces(SkFontMgr* fontmgr) {
        i != files.end();
        ++i) {
     SkTypeface* typeface = fontmgr->createFromFile(i->c_str());
-    DoPreSandboxWarmupForTypeface(typeface);
     blink::WebFontRendering::addSideloadedFontForTesting(typeface);
   }
 }
@@ -172,7 +171,7 @@ void EnableRendererLayoutTestMode() {
 
 #if defined(OS_WIN)
   if (gfx::win::ShouldUseDirectWrite())
-    RegisterSideloadedTypefaces(GetPreSandboxWarmupFontMgr());
+    RegisterSideloadedTypefaces(SkFontMgr_New_DirectWrite());
 #endif
 }