Support getting the font list in Pepper. This currently only works out of

content/browser/browser_thread.h

Index: content/browser/browser_thread.h
===================================================================
--- content/browser/browser_thread.h	(revision 85766)
+++ content/browser/browser_thread.h	(working copy)
@@ -6,13 +6,15 @@
 #define CONTENT_BROWSER_BROWSER_THREAD_H_
 #pragma once
 
-#if defined(UNIT_TEST)
-#include "base/logging.h"
-#endif  // UNIT_TEST
+#include "base/callback.h"
 #include "base/synchronization/lock.h"
 #include "base/task.h"
 #include "base/threading/thread.h"
 
+#if defined(UNIT_TEST)
+#include "base/logging.h"
+#endif  // UNIT_TEST
+
 namespace base {
 class MessageLoopProxy;
 }
@@ -105,6 +107,23 @@
   // the target thread may already have a Quit message in its queue.
   static bool PostTask(ID identifier,
                        const tracked_objects::Location& from_here,
+                       const base::Closure& task);
+  static bool PostDelayedTask(ID identifier,
+                              const tracked_objects::Location& from_here,
+                              const base::Closure& task,
+                              int64 delay_ms);
+  static bool PostNonNestableTask(ID identifier,
+                                  const tracked_objects::Location& from_here,
+                                  const base::Closure& task);
+  static bool PostNonNestableDelayedTask(
+      ID identifier,
+      const tracked_objects::Location& from_here,
+      const base::Closure& task,
+      int64 delay_ms);
+
+  // TODO(brettw) remove these when Task->Closure conversion is done.
+  static bool PostTask(ID identifier,
+                       const tracked_objects::Location& from_here,
                        Task* task);
   static bool PostDelayedTask(ID identifier,
                               const tracked_objects::Location& from_here,
@@ -203,12 +222,19 @@
   // Common initialization code for the constructors.
   void Initialize();
 
+  // TODO(brettw) remove this variant when Task->Closure migration is complete.
   static bool PostTaskHelper(
       ID identifier,
       const tracked_objects::Location& from_here,
       Task* task,
       int64 delay_ms,
       bool nestable);
+  static bool PostTaskHelper(
+      ID identifier,
+      const tracked_objects::Location& from_here,
+      const base::Closure& task,
+      int64 delay_ms,
+      bool nestable);
 
   // The identifier of this thread.  Only one thread can exist with a given
   // identifier at a given time.