Reformatted most of the CPU stuff in system_wrappers.

BUG=

Review URL: https://webrtc-codereview.appspot.com/930025

git-svn-id: http://webrtc.googlecode.com/svn/trunk@3142 4adac7df-926f-26a2-2b94-8c16560cd09d
diff --git a/webrtc/system_wrappers/interface/cpu_info.h b/webrtc/system_wrappers/interface/cpu_info.h
index a6da29f..e3c9c29 100644
--- a/webrtc/system_wrappers/interface/cpu_info.h
+++ b/webrtc/system_wrappers/interface/cpu_info.h
@@ -14,14 +14,16 @@
 #include "typedefs.h"
 
 namespace webrtc {
-class CpuInfo
-{
-public:
-    static WebRtc_UWord32 DetectNumberOfCores();
 
-private:
-    CpuInfo() {}
-    static WebRtc_UWord32 _numberOfCores;
+class CpuInfo {
+ public:
+  static WebRtc_UWord32 DetectNumberOfCores();
+
+ private:
+  CpuInfo() {}
+  static WebRtc_UWord32 number_of_cores_;
 };
+
 } // namespace webrtc
+
 #endif // WEBRTC_SYSTEM_WRAPPERS_INTERFACE_CPU_INFO_H_