Added a unique command buffer ID for command buffers.

components/mus/gles2/command_buffer_driver.cc

Index: components/mus/gles2/command_buffer_driver.cc
diff --git a/components/mus/gles2/command_buffer_driver.cc b/components/mus/gles2/command_buffer_driver.cc
index 7207b037228901aa4f086a5b72f93c8811201d1a..11b6c7de0af50e8304000f783a85f36644c82e8e 100644
--- a/components/mus/gles2/command_buffer_driver.cc
+++ b/components/mus/gles2/command_buffer_driver.cc
@@ -98,7 +98,8 @@ bool CommandBufferDriver::DoInitialize(
           nullptr, bind_generates_resource);
 
   command_buffer_.reset(
-      new gpu::CommandBufferService(context_group->transfer_buffer_manager()));
+      new gpu::CommandBufferService(context_group->transfer_buffer_manager(),
+                                    kCommandBufferNamespace_Invalid, 0));

[piman, 2015/09/15 22:51:05]

I guess we need a namespace for mojo too.

[David Yen, 2015/09/15 23:09:03]

I'm not too familiar with mojo, does this class handle both the server and
client side? Are there more than 1 instance in a process?

   bool result = command_buffer_->Initialize();
   DCHECK(result);