Delete unused code from systeminfo.

webrtc/base/systeminfo.h

Index: webrtc/base/systeminfo.h
diff --git a/webrtc/base/systeminfo.h b/webrtc/base/systeminfo.h
index 99d18b296001737948eb6e85d334dd3bd41ca17e..ec25c38940af77d881bd683cb8d30a1c7c1b567a 100644
--- a/webrtc/base/systeminfo.h
+++ b/webrtc/base/systeminfo.h
@@ -19,26 +19,9 @@ namespace rtc {
 
 class SystemInfo {

[perkj_webrtc, 2016/12/16 12:05:41]

please replace class with ns 
https://google.github.io/styleguide/cppguide.html#Nonmember,_Static_Member,_a...

since it does not contain any methods.

  public:
-  enum Architecture {
-    SI_ARCH_UNKNOWN = -1,
-    SI_ARCH_X86 = 0,
-    SI_ARCH_X64 = 1,
-    SI_ARCH_ARM = 2
-  };
-
   SystemInfo();
-
   // The number of CPU Threads in the system.
   static int GetMaxCpus();
-  // The number of CPU Threads currently available to this process.
-  static int GetCurCpus();
-  // Identity of the CPUs.
-  Architecture GetCpuArchitecture();
-  std::string GetCpuVendor();
-  // Total amount of physical memory, in bytes.
-  int64_t GetMemorySize();
-  // The model name of the machine, e.g. "MacBookAir1,1"
-  std::string GetMachineModel();
 
  private:
   static int logical_cpus_;