gpu: Thread-safe command buffer state lookup.

content/renderer/pepper/ppb_graphics_3d_impl.cc

Index: content/renderer/pepper/ppb_graphics_3d_impl.cc
diff --git a/content/renderer/pepper/ppb_graphics_3d_impl.cc b/content/renderer/pepper/ppb_graphics_3d_impl.cc
index 6db7f7b3b65253fcd6fa61748dae2686b282d6e7..3cd4671be0e7910aa5b824c14d0cfafedad6c1d9 100644
--- a/content/renderer/pepper/ppb_graphics_3d_impl.cc
+++ b/content/renderer/pepper/ppb_graphics_3d_impl.cc
@@ -117,15 +117,13 @@ PP_Bool PPB_Graphics3D_Impl::Flush(int32_t put_offset) {
 gpu::CommandBuffer::State PPB_Graphics3D_Impl::WaitForTokenInRange(
     int32_t start,
     int32_t end) {
-  GetCommandBuffer()->WaitForTokenInRange(start, end);
-  return GetCommandBuffer()->GetLastState();
+  return GetCommandBuffer()->WaitForTokenInRange(start, end);
 }
 
 gpu::CommandBuffer::State PPB_Graphics3D_Impl::WaitForGetOffsetInRange(
     int32_t start,
     int32_t end) {
-  GetCommandBuffer()->WaitForGetOffsetInRange(start, end);
-  return GetCommandBuffer()->GetLastState();
+  return GetCommandBuffer()->WaitForGetOffsetInRange(start, end);
 }
 
 void PPB_Graphics3D_Impl::EnsureWorkVisible() {