gpu: Fix some problems reported by 'gn check'.

gpu/command_buffer/service/BUILD.gn

 # Copyright 2014 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("//third_party/protobuf/proto_library.gni")
 
 group("service") {
   if (is_component_build) {
     public_deps = [
@@ skipping 131 matching lines @@
   include_dirs = [ "//third_party/mesa/src/include" ]
 
   public_deps = [
     "//gpu/command_buffer/common:common_sources",
   ]
   deps = [
     ":disk_cache_proto",
     "//base",
     "//base/third_party/dynamic_annotations",
     "//crypto",
+    "//gpu/command_buffer/client:client_sources",

[no sievers, 2015/04/27 19:30:46]

wait, service_sources shouldn't depend on client_sources. why is that needed?

[tfarina, 2015/04/27 19:33:56]

Because gpu/command_buffer/service is including from it:
gpu/command_buffer/client/gpu_memory_buffer_manager.h,
gpu/command_buffer/client/gpu_control.h

+    "//gpu/command_buffer/common:gles2_utils",
     "//third_party/angle:translator",
     "//third_party/protobuf:protobuf_lite",
     "//third_party/re2",
     "//third_party/smhasher:cityhash",
     "//ui/gfx",
     "//ui/gfx/geometry",
     "//ui/gl",
   ]
 
   if (is_win || is_android || (is_linux && use_x11)) {
@@ skipping 16 matching lines @@
     configs -= [ "//build/config/compiler:optimize" ]
     configs += [ "//build/config/compiler:optimize_max" ]
   }
 }
 
 proto_library("disk_cache_proto") {
   sources = [
     "disk_cache_proto.proto",
   ]
 }