viz: Move ServerGpuMemoryBufferManager into host/gpu.

components/viz/common/BUILD.gn

Index: components/viz/common/BUILD.gn
diff --git a/components/viz/common/BUILD.gn b/components/viz/common/BUILD.gn
deleted file mode 100644
index e703006959ea4f55c71b273ab6070901ccd2e634..0000000000000000000000000000000000000000
--- a/components/viz/common/BUILD.gn
+++ /dev/null
@@ -1,36 +0,0 @@
-# Copyright 2017 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.
-
-source_set("common") {
-  sources = [
-    "server_gpu_memory_buffer_manager.cc",
-    "server_gpu_memory_buffer_manager.h",
-  ]
-
-  deps = [
-    "//gpu/ipc/client",
-    "//gpu/ipc/common",
-    "//services/ui/gpu/interfaces",
-  ]
-
-  public_deps = [
-    "//gpu/command_buffer/client",
-    "//gpu/ipc/host",
-    "//ui/gfx",
-  ]
-}
-
-source_set("unit_tests") {
-  testonly = true
-  sources = [
-    "server_gpu_memory_buffer_manager_unittest.cc",
-  ]
-
-  deps = [
-    ":common",
-    "//base/test:test_support",
-    "//services/ui/gpu/interfaces",
-    "//testing/gtest",
-  ]
-}