Revert 173248, broke building on the official chrome/win bot:

content/browser/gpu/gpu_data_manager_impl.cc

 // Copyright (c) 2012 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.
 
 #include "content/browser/gpu/gpu_data_manager_impl.h"
 
 #if defined(OS_MACOSX)
 #include <ApplicationServices/ApplicationServices.h>
 #endif  // OS_MACOSX
 
@@ skipping 114 matching lines @@
   CGDisplayRegisterReconfigurationCallback(DisplayReconfigCallback, this);
 #endif  // OS_MACOSX
 }
 
 void GpuDataManagerImpl::Initialize() {
   CommandLine* command_line = CommandLine::ForCurrentProcess();
   if (command_line->HasSwitch(switches::kSkipGpuDataLoading))
     return;
 
   GPUInfo gpu_info;
-  gpu_info_collector::CollectBasicGraphicsInfo(&gpu_info);
+  gpu_info_collector::CollectPreliminaryGraphicsInfo(&gpu_info);
 #if defined(ARCH_CPU_X86_FAMILY)
   if (!gpu_info.gpu.vendor_id || !gpu_info.gpu.device_id)
     gpu_info.finalized = true;
 #endif
 
   std::string gpu_blacklist_string;
   if (!command_line->HasSwitch(switches::kIgnoreGpuBlacklist)) {
     const base::StringPiece gpu_blacklist_json =
         GetContentClient()->GetDataResource(
             IDR_GPU_BLACKLIST, ui::SCALE_FACTOR_NONE);
@@ skipping 37 matching lines @@
   CGDisplayRemoveReconfigurationCallback(DisplayReconfigCallback, this);
 #endif
 }
 
 void GpuDataManagerImpl::RequestCompleteGpuInfoIfNeeded() {
   if (complete_gpu_info_already_requested_ || gpu_info_.finalized)
     return;
   complete_gpu_info_already_requested_ = true;
 
   GpuProcessHost::SendOnIO(
-#if defined(OS_WIN)
       GpuProcessHost::GPU_PROCESS_KIND_UNSANDBOXED,
-#else
-      GpuProcessHost::GPU_PROCESS_KIND_SANDBOXED,
-#endif
       CAUSE_FOR_GPU_LAUNCH_GPUDATAMANAGER_REQUESTCOMPLETEGPUINFOIFNEEDED,
       new GpuMsg_CollectGraphicsInfo());
 }
 
 bool GpuDataManagerImpl::IsCompleteGpuInfoAvailable() const {
   return gpu_info_.finalized;
 }
 
 void GpuDataManagerImpl::UpdateGpuInfo(const GPUInfo& gpu_info) {
   // No further update of gpu_info if falling back to software renderer.
@@ skipping 13 matching lines @@
     if (decision.gpu_switching != GPU_SWITCHING_OPTION_UNKNOWN) {
       // Blacklist decision should not overwrite commandline switch from users.
       CommandLine* command_line = CommandLine::ForCurrentProcess();
       if (!command_line->HasSwitch(switches::kGpuSwitching))
         gpu_switching_ = decision.gpu_switching;
     }
   }
 
   {
     base::AutoLock auto_lock(gpu_info_lock_);
-    gpu_info_collector::MergeGPUInfo(&gpu_info_, gpu_info);
+    gpu_info_ = gpu_info;
     complete_gpu_info_already_requested_ =
         complete_gpu_info_already_requested_ || gpu_info_.finalized;
   }
 
   // We have to update GpuFeatureType before notify all the observers.
   NotifyGpuInfoUpdate();
 }
 
 GPUInfo GpuDataManagerImpl::GetGPUInfo() const {
   GPUInfo gpu_info;
@@ skipping 225 matching lines @@
             switches::kGpuSwitchingOptionNameForceIntegrated);
         break;
       case GPU_SWITCHING_OPTION_AUTOMATIC:
       case GPU_SWITCHING_OPTION_UNKNOWN:
         break;
     }
   } else {
     command_line->AppendSwitchASCII(switches::kSupportsDualGpus, "false");
   }
 
+  if (!gpu_blacklist_.get() || !gpu_blacklist_->needs_more_info())
+    command_line->AppendSwitch(switches::kSkipGpuFullInfoCollection);
+
   if (!swiftshader_path.empty())
     command_line->AppendSwitchPath(switches::kSwiftShaderPath,
                                    swiftshader_path);
 
   {
     base::AutoLock auto_lock(gpu_info_lock_);
     if (gpu_info_.optimus)
       command_line->AppendSwitch(switches::kReduceGpuSandbox);
     if (gpu_info_.amd_switchable) {
       // The image transport surface currently doesn't work with AMD Dynamic
@@ skipping 236 matching lines @@
                             BLOCK_STATUS_MAX);
 
   return DOMAIN_BLOCK_STATUS_NOT_BLOCKED;
 }
 
 int64 GpuDataManagerImpl::GetBlockAllDomainsDurationInMs() const {
   return kBlockAllDomainsMs;
 }
 
 }  // namespace content