Use the cpuid instruction to generate the CPU brand string. And

content/browser/gpu/gpu_blacklist.cc

Index: content/browser/gpu/gpu_blacklist.cc
===================================================================
--- content/browser/gpu/gpu_blacklist.cc	(revision 159378)
+++ content/browser/gpu/gpu_blacklist.cc	(working copy)
@@ -16,6 +16,7 @@
 #include "base/string_split.h"
 #include "base/string_util.h"
 #include "base/sys_info.h"
+#include "base/cpu.h"

[Zhenyao Mo, 2012/10/01 19:04:33]

You need to insert the include in the right place according to alphabetic
ordering

 #include "base/version.h"
 #include "content/browser/gpu/gpu_util.h"
 #include "content/public/common/content_switches.h"
@@ -578,6 +579,19 @@
     dictionary_entry_count++;
   }
 
+  const DictionaryValue* cpu_info_value = NULL;

[Zhenyao Mo, 2012/10/01 19:04:33]

cpu_brand_value, here and below.

+  if (value->GetDictionary("cpu_info", &cpu_info_value)) {
+    std::string cpu_op;
+    std::string cpu_value;
+    cpu_info_value->GetString("op", &cpu_op);
+    cpu_info_value->GetString("value", &cpu_value);
+    if (!entry->SetCpuInfo(cpu_op, cpu_value)) {
+      LOG(WARNING) << "Malformed cpu_info entry " << entry->id();
+      return NULL;
+    }
+    dictionary_entry_count++;
+  }
+
   const DictionaryValue* perf_graphics_value = NULL;
   if (value->GetDictionary("perf_graphics", &perf_graphics_value)) {
     std::string op;
@@ -846,6 +860,14 @@
   return gl_renderer_info_->IsValid();
 }
 
+bool GpuBlacklist::GpuBlacklistEntry::SetCpuInfo(
+    const std::string& cpu_op,
+    const std::string& cpu_value) {
+  cpu_info_.reset(
+      new StringInfo(cpu_op, cpu_value));
+  return cpu_info_->IsValid();
+}
+
 bool GpuBlacklist::GpuBlacklistEntry::SetPerfGraphicsInfo(
     const std::string& op,
     const std::string& float_string,
@@ -1048,6 +1070,12 @@
   if (gpu_count_info_.get() != NULL &&
       !gpu_count_info_->Contains(gpu_info.secondary_gpus.size() + 1))
     return false;
+  if (cpu_info_.get() != NULL) {
+      base::CPU cpu_info;

[Zhenyao Mo, 2012/10/01 19:04:33]

indent two spaces instead of four.

+      if (!cpu_info_->Contains(cpu_info.cpu_brand()))
+         return false;

[Zhenyao Mo, 2012/10/01 19:04:33]

indent two spaces

+  }
+
   for (size_t i = 0; i < exceptions_.size(); ++i) {
     if (exceptions_[i]->Contains(os_type, os_version, machine_model_name,
                                  machine_model_version, gpu_info))