jankometer: Use the stub implementation for non-Windows.

chrome/browser/jankometer_stub.cc

Index: chrome/browser/jankometer_stub.cc
diff --git a/chrome/browser/jankometer_mac.cc b/chrome/browser/jankometer_stub.cc
similarity index 72%
rename from chrome/browser/jankometer_mac.cc
rename to chrome/browser/jankometer_stub.cc
index 882299ae3e0ea7d7d5f7fa25cf8947abe293c093..76aa11881ca70073cb960fcad26c808f669e502b 100644
--- a/chrome/browser/jankometer_mac.cc
+++ b/chrome/browser/jankometer_stub.cc
@@ -4,10 +4,11 @@
 
 #include "chrome/browser/jankometer.h"
 
+// TODO(port): Implement jankometer
+// Mac: http://crbug.com/8077
+// Linux aura: http://crbug.com/358751
 void InstallJankometer(const base::CommandLine& parsed_command_line) {
-  // TODO(port): Implement jankometer, http://crbug.com/8077
 }
 
 void UninstallJankometer() {
-  // TODO(port): Implement jankometer, http://crbug.com/8077
 }