Temporary commit to evaluate perf impact of prototype CPU profiler

chrome/common/chrome_switches.cc

Index: chrome/common/chrome_switches.cc
diff --git a/chrome/common/chrome_switches.cc b/chrome/common/chrome_switches.cc
index 38d22decc15838961c4b8b93cec03d217da30aab..2de82c0172a63daeddfc9021bbc0522f28e5dd9e 100644
--- a/chrome/common/chrome_switches.cc
+++ b/chrome/common/chrome_switches.cc
@@ -398,6 +398,9 @@ const char kEnableBookmarkUndo[]            = "enable-bookmark-undo";
 // Print Proxy component within the service process.
 const char kEnableCloudPrintProxy[]         = "enable-cloud-print-proxy";
 
+// Enables the prototype CPU statistical profiler.
+const char kEnableCpuProfiler[]             = "enable-cpu-profiler";
+
 // If true devtools experimental settings are enabled.
 const char kEnableDevToolsExperiments[]     = "enable-devtools-experiments";