Remove the no longer used AMDVideoCardType enums.

gpu/config/gpu_info_collector.h

Index: gpu/config/gpu_info_collector.h
diff --git a/gpu/config/gpu_info_collector.h b/gpu/config/gpu_info_collector.h
index f16071b28c7020124bc205e3c53122b2934733e7..4758aec704bdb9bb51ba24266af47ef672f178a9 100644
--- a/gpu/config/gpu_info_collector.h
+++ b/gpu/config/gpu_info_collector.h
@@ -64,17 +64,6 @@ GPU_EXPORT void MergeGPUInfo(GPUInfo* basic_gpu_info,
 GPU_EXPORT void MergeGPUInfoGL(GPUInfo* basic_gpu_info,
                                const GPUInfo& context_gpu_info);
 
-// Advanced Micro Devices has interesting configurations on laptops were
-// there are two videocards that can alternatively a given process output.
-// TODO(zmo): remove them when we remove the GetAMDVideocardType() in the
-//            internal src/third_party/amd.
-enum AMDVideoCardType {
-  UNKNOWN,
-  STANDALONE,
-  INTEGRATED,
-  SWITCHABLE
-};
-
 }  // namespace gpu
 
 #endif  // GPU_CONFIG_GPU_INFO_COLLECTOR_H_