Remove GPU memory UMAs

gpu/ipc/common/BUILD.gn

 # Copyright 2016 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 import("//build/config/ui.gni")
 import("//mojo/public/tools/bindings/mojom.gni")
 
 group("common") {
   if (is_component_build) {
     public_deps = [
@@ skipping 49 matching lines @@
 }
 
 source_set("ipc_common_sources") {
   # External code should depend on this via //gpu/ipc/common above rather than
   # depending on this directly or the component build will break.
   visibility = [ "//gpu/*" ]
 
   sources = [
     "gpu_memory_buffer_support.cc",
     "gpu_memory_buffer_support.h",
-    "gpu_memory_uma_stats.h",
     "gpu_message_generator.cc",
     "gpu_message_generator.h",
     "gpu_messages.h",
     "gpu_param_traits.cc",
     "gpu_param_traits.h",
     "gpu_param_traits_macros.h",
     "gpu_stream_constants.h",
     "gpu_surface_lookup.cc",
     "gpu_surface_lookup.h",
     "memory_stats.cc",
@@ skipping 69 matching lines @@
     "mailbox_holder_struct_traits.h",
     "mailbox_struct_traits.h",
     "sync_token_struct_traits.h",
   ]
   deps = [
     ":interfaces_shared_cpp_sources",
     "//gpu/command_buffer/common",
     "//mojo/public/cpp/bindings:bindings",
   ]
 }