Include CPU information in UMA system profile.

chrome/browser/metrics/metrics_log.cc

Index: chrome/browser/metrics/metrics_log.cc
diff --git a/chrome/browser/metrics/metrics_log.cc b/chrome/browser/metrics/metrics_log.cc
index 76563f59b0475e9f1a4d1480ef14a35a148e687d..3edb346c65e45df2a9192c70f1f04f42c2641661 100644
--- a/chrome/browser/metrics/metrics_log.cc
+++ b/chrome/browser/metrics/metrics_log.cc
@@ -10,6 +10,7 @@
 
 #include "base/basictypes.h"
 #include "base/bind.h"
+#include "base/cpu.h"
 #include "base/lazy_instance.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/perftimer.h"
@@ -732,6 +733,11 @@ void MetricsLog::RecordEnvironmentProto(
       base::android::BuildInfo::GetInstance()->android_build_fp());
 #endif
 
+  base::CPU cpu_info;
+  SystemProfileProto::Hardware::CPU* cpu = hardware->mutable_cpu();
+  cpu->set_vendor_name(cpu_info.vendor_name());
+  cpu->set_signature(cpu_info.signature());
+
   const gpu::GPUInfo& gpu_info =
       GpuDataManager::GetInstance()->GetGPUInfo();
   SystemProfileProto::Hardware::Graphics* gpu = hardware->mutable_gpu();