Remove the command buffer method glGetImageivCHROMIUM.

services/ui/gles2/command_buffer_local.cc

Index: services/ui/gles2/command_buffer_local.cc
diff --git a/services/ui/gles2/command_buffer_local.cc b/services/ui/gles2/command_buffer_local.cc
index e7a2e8275089538e04df28ad8132ecea72866efc..b6dcaaa55651d07c0bb5baff2ad08aced703341b 100644
--- a/services/ui/gles2/command_buffer_local.cc
+++ b/services/ui/gles2/command_buffer_local.cc
@@ -299,14 +299,6 @@ int32_t CommandBufferLocal::CreateGpuMemoryBufferImage(size_t width,
   return CreateImage(buffer->AsClientBuffer(), width, height, internal_format);
 }
 
-int32_t CommandBufferLocal::GetImageGpuMemoryBufferId(unsigned image_id) {
-  // TODO(erikchen): Once this class supports IOSurface GpuMemoryBuffer backed
-  // images, it will also need to keep a local cache from image id to
-  // GpuMemoryBuffer id.
-  NOTIMPLEMENTED();
-  return -1;
-}
-
 void CommandBufferLocal::SignalQuery(uint32_t query_id,
                                      const base::Closure& callback) {
   DCHECK(CalledOnValidThread());