[ChromeDriver] Expose CPU Profiling DevTools API into chromeWebDriver

chrome/test/chromedriver/window_commands.cc

Index: chrome/test/chromedriver/window_commands.cc
diff --git a/chrome/test/chromedriver/window_commands.cc b/chrome/test/chromedriver/window_commands.cc
index eee04d4261e86d58203450e50f77d71ff579f6e1..aa07400849a81f6fdd8a2e875d557e0794bb422f 100644
--- a/chrome/test/chromedriver/window_commands.cc
+++ b/chrome/test/chromedriver/window_commands.cc
@@ -257,6 +257,10 @@ Status ExecuteExecuteScript(
     return Status(kUnknownError, "'script' must be a string");
   if (script == ":takeHeapSnapshot") {
     return web_view->TakeHeapSnapshot(value);
+  } else if (script == ":startProfile") {
+    return web_view->StartProfile();
+  } else if (script == ":endProfile") {
+    return web_view->EndProfile(value);
   } else {
     const base::ListValue* args;
     if (!params.GetList("args", &args))