New implementation of font precache on Windows.

content/browser/browser_child_process_host.cc

Index: content/browser/browser_child_process_host.cc
diff --git a/content/browser/browser_child_process_host.cc b/content/browser/browser_child_process_host.cc
index 40b6598799cc55deb55ad34843031cc556c7a242..cd3fb217a1a2590e621e3cf844c139766beb8812 100644
--- a/content/browser/browser_child_process_host.cc
+++ b/content/browser/browser_child_process_host.cc
@@ -153,6 +153,10 @@ void BrowserChildProcessHost::OnChildDied() {
     // Notify in the main loop of the disconnection.
     Notify(content::NOTIFICATION_CHILD_PROCESS_HOST_DISCONNECTED);
   }
+#if defined (OS_WIN)
+  ChildProcessHost::ReleaseCachedFonts(
+      base::GetProcId(child_process_->GetHandle()));

[jam, 2011/09/19 16:31:17]

1) this currently doesn't do anything, since it's using the pid instead of the
process id

2) why not do this in RenderMessageFilter::OnChannelError (not currently
overriden, but can be for this purpose)? that way all the font related code is
in one place

[arthurhsu, 2011/09/19 18:22:51]

Done.

+#endif
   ChildProcessHost::OnChildDied();
 }