Remove GPU memory UMAs

gpu/ipc/service/gpu_channel_manager_delegate.h

Index: gpu/ipc/service/gpu_channel_manager_delegate.h
diff --git a/gpu/ipc/service/gpu_channel_manager_delegate.h b/gpu/ipc/service/gpu_channel_manager_delegate.h
index 3e9da6b93ed45243c52b1d93c8b9e95b4b705ea6..419cc8c1ac1664fb201facfa1428beabdf0177ac 100644
--- a/gpu/ipc/service/gpu_channel_manager_delegate.h
+++ b/gpu/ipc/service/gpu_channel_manager_delegate.h
@@ -36,9 +36,6 @@ class GpuChannelManagerDelegate {
                               error::ContextLostReason reason,
                               const GURL& active_url) = 0;
 
-  // Tells the delegate about GPU memory usage statistics for UMA logging.
-  virtual void GpuMemoryUmaStats(const GPUMemoryUmaStats& params) = 0;
-
   // Tells the delegate to cache the given shader information in persistent
   // storage. The embedder is expected to repopulate the in-memory cache through
   // the respective GpuChannelManager API.