Enable GPU blacklist in tests.

content/browser/gpu/gpu_data_manager_impl_private.cc

 // Copyright (c) 2013 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_private.h"
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/command_line.h"
 #include "base/debug/trace_event.h"
@@ skipping 545 matching lines @@
                                              std::string* gl_version) {
   DCHECK(gl_vendor && gl_renderer && gl_version);
 
   *gl_vendor = gpu_info_.gl_vendor;
   *gl_renderer = gpu_info_.gl_renderer;
   *gl_version = gpu_info_.gl_version_string;
 }
 
 void GpuDataManagerImplPrivate::Initialize() {
   TRACE_EVENT0("startup", "GpuDataManagerImpl::Initialize");
-  CommandLine* command_line = CommandLine::ForCurrentProcess();
-  if (command_line->HasSwitch(switches::kSkipGpuDataLoading) &&
-      !command_line->HasSwitch(switches::kUseGpuInTests))
-    return;
+  const CommandLine* command_line = CommandLine::ForCurrentProcess();
 
   gpu::GPUInfo gpu_info;
-  {
+  if (command_line->GetSwitchValueASCII(
+          switches::kUseGL) == gfx::kGLImplementationOSMesaName) {
+    // If using the OSMesa GL implementation, use fake vendor and device ids to
+    // make sure it never gets blacklisted. This is better than simply
+    // cancelling GPUInfo gathering as it allows us to proceed with loading the
+    // blacklist below which may have non-device specific entries we want to
+    // apply anyways (e.g., OS version blacklisting).
+    gpu_info.gpu.vendor_id = 0xffff;
+    gpu_info.gpu.device_id = 0xffff;
+
+    // Hardcode some values otherwise some blacklisting rules in
+    // kSoftwareRenderingListJson result in a positive match as GpuControlList
+    // assumes a match (by design) when a property is required for the
+    // verification yet not present in the GpuInfo.
+    gpu_info.driver_vendor =
+        gfx::kGLImplementationOSMesaName;  // Bypass rule #74.
+    gpu_info.driver_date = "2013.8";  // Bypass rules #12 and #55.
+    gpu_info.driver_version = "9.0.3";  // Bypass rule #23.
+  } else {
     TRACE_EVENT0("startup",
       "GpuDataManagerImpl::Initialize:CollectBasicGraphicsInfo");
     gpu::CollectBasicGraphicsInfo(&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;
@@ skipping 459 matching lines @@
     const std::string& gpu_blacklist_json,
     const std::string& gpu_switching_list_json,
     const std::string& gpu_driver_bug_list_json,
     const gpu::GPUInfo& gpu_info) {
   std::string browser_version_string = ProcessVersionString(
       GetContentClient()->GetProduct());
   CHECK(!browser_version_string.empty());
 
   if (!gpu_blacklist_json.empty()) {
     gpu_blacklist_.reset(gpu::GpuBlacklist::Create());
+    if (CommandLine::ForCurrentProcess()->HasSwitch(
+            switches::kLogGpuBlacklistDecisions)) {
+      gpu_blacklist_->enable_blacklist_logging();
+    }
     gpu_blacklist_->LoadList(
         browser_version_string, gpu_blacklist_json,
         gpu::GpuControlList::kCurrentOsOnly);
   }
   if (!gpu_switching_list_json.empty()) {
     gpu_switching_list_.reset(gpu::GpuSwitchingList::Create());
     gpu_switching_list_->LoadList(
         browser_version_string, gpu_switching_list_json,
         gpu::GpuControlList::kCurrentOsOnly);
   }
@@ skipping 190 matching lines @@
 
 void GpuDataManagerImplPrivate::OnGpuProcessInitFailure() {
   gpu_process_accessible_ = false;
   gpu_info_.finalized = true;
   complete_gpu_info_already_requested_ = true;
   // Some observers might be waiting.
   NotifyGpuInfoUpdate();
 }
 
 }  // namespace content