New implementation of font precache on Windows.

content/browser/renderer_host/render_message_filter.cc

Index: content/browser/renderer_host/render_message_filter.cc
diff --git a/content/browser/renderer_host/render_message_filter.cc b/content/browser/renderer_host/render_message_filter.cc
index c857f5871d0327f480b8bbae9d75e76b3e80a63e..60191e3d65f31dbfb64dfb4570911449695b6d9d 100644
--- a/content/browser/renderer_host/render_message_filter.cc
+++ b/content/browser/renderer_host/render_message_filter.cc
@@ -333,6 +333,7 @@ bool RenderMessageFilter::OnMessageReceived(const IPC::Message& message,
 
     // This hack is Windows-specific.
     IPC_MESSAGE_HANDLER(ViewHostMsg_PreCacheFont, OnPreCacheFont)
+    IPC_MESSAGE_HANDLER(ViewHostMsg_ReleaseCachedFont, OnReleaseCachedFont)
 #endif
 
     IPC_MESSAGE_HANDLER(ViewHostMsg_GenerateRoutingID, OnGenerateRoutingID)
@@ -519,8 +520,12 @@ void RenderMessageFilter::OnLoadFont(const FontDescriptor& font,
 #endif  // OS_MACOSX
 
 #if defined(OS_WIN)  // This hack is Windows-specific.
-void RenderMessageFilter::OnPreCacheFont(const LOGFONT& font) {
-  ChildProcessHost::PreCacheFont(font);
+void RenderMessageFilter::OnPreCacheFont(const LOGFONT& font, int pid) {
+  ChildProcessHost::PreCacheFont(font, pid);
+}
+
+void RenderMessageFilter::OnReleaseCachedFont(int pid) {
+  ChildProcessHost::ReleaseCachedFont(pid);
 }
 #endif  // OS_WIN