[Telemetry] Clean up some page cycler cruft now that idb has moved out.

tools/perf/measurements/page_cycler.js

Index: tools/perf/measurements/page_cycler.js
diff --git a/tools/perf/measurements/page_cycler.js b/tools/perf/measurements/page_cycler.js
index 73ded1e2ee5a1e681ebe3d3e2bb2c9b41f06c462..46708c66b455120e8be8403f45b1e3f6014324f5 100644
--- a/tools/perf/measurements/page_cycler.js
+++ b/tools/perf/measurements/page_cycler.js
@@ -33,19 +33,12 @@ function __onbeforeunload() {
 
 // The function |__onload| is used by the DHTML tests.
 window.__onload = function() {
-  // window.storeCreated is used by the Indexed DB tests.
-  if ((!__install_onload_handler || window.storeCreated) &&
-      !performance.timing.loadEventEnd)
+  if (!__install_onload_handler && !performance.timing.loadEventEnd)
     return;
 
   var unused = document.body.offsetHeight;  // force layout
 
-  testComplete(window.performance.now());
-};
-
-// The function |testComplete| is used by the Indexed DB tests.
-window.testComplete = function(time) {
-  window.__pc_load_time = time;
+  window.__pc_load_time = window.performance.now();
 };
 
 // The function |__eval_later| now is only used by the DHTML tests.
@@ -58,4 +51,4 @@ if (window.parent == window) {  // Ignore subframes.
   addEventListener("load", __onload);
   addEventListener("beforeunload", __onbeforeunload);
 }
-})();
+})();