********** Chromium Blob hacking

content/common/child_thread.cc

Index: content/common/child_thread.cc
===================================================================
--- content/common/child_thread.cc	(revision 171309)
+++ content/common/child_thread.cc	(working copy)
@@ -192,6 +192,13 @@
   return resource_dispatcher()->CreateBridge(request_info);
 }
 
+static bool SendFromAnyThread(ChildThread* child_thread, IPC::Message* msg) {
+  if (child_thread->message_loop() == MessageLoop::current())
+    child_thread->Send(msg);
+  else
+    child_thread->sync_message_filter()->Send(msg);
+}

[kinuko, 2013/01/07 08:52:01]

This change can probably be landed independently?

+
 base::SharedMemory* ChildThread::AllocateSharedMemory(
     size_t buf_size) {
   scoped_ptr<base::SharedMemory> shared_buf;
@@ -205,7 +212,7 @@
   // On POSIX, we need to ask the browser to create the shared memory for us,
   // since this is blocked by the sandbox.
   base::SharedMemoryHandle shared_mem_handle;
-  if (Send(new ChildProcessHostMsg_SyncAllocateSharedMemory(
+  if (SendFromAnyThread(new ChildProcessHostMsg_SyncAllocateSharedMemory(
                    buf_size, &shared_mem_handle))) {
     if (base::SharedMemory::IsHandleValid(shared_mem_handle)) {
       shared_buf.reset(new base::SharedMemory(shared_mem_handle, false));