Added a unique command buffer ID for command buffers.

gpu/gles2_conform_support/egl/display.cc

Index: gpu/gles2_conform_support/egl/display.cc
diff --git a/gpu/gles2_conform_support/egl/display.cc b/gpu/gles2_conform_support/egl/display.cc
index d943cca3be11911f56fb97c1331e65e7295ec7ab..92c7bebf0462987937cda97585e16a488cc18191 100644
--- a/gpu/gles2_conform_support/egl/display.cc
+++ b/gpu/gles2_conform_support/egl/display.cc
@@ -116,8 +116,11 @@ EGLSurface Display::CreateWindowSurface(EGLConfig config,
     transfer_buffer_manager_ = manager;
     manager->Initialize();
   }
+  static uint64_t command_buffer_id = 0;
   scoped_ptr<gpu::CommandBufferService> command_buffer(
-      new gpu::CommandBufferService(transfer_buffer_manager_.get()));
+      new gpu::CommandBufferService(transfer_buffer_manager_.get(),
+                                    kCommandBufferNamespace_InProcess,
+                                    command_buffer_id++));
   if (!command_buffer->Initialize())
     return NULL;