Prevent duplicate navigation to debug URLs from Telemetry.

content/browser/browser_url_handler_impl.cc

Index: content/browser/browser_url_handler_impl.cc
diff --git a/content/browser/browser_url_handler_impl.cc b/content/browser/browser_url_handler_impl.cc
index 1b7050f8ddf1d8d687670713515da9ba3a9bf3a7..3b7f078b0b4896af4fd40ff632ae3d25a4ded16a 100644
--- a/content/browser/browser_url_handler_impl.cc
+++ b/content/browser/browser_url_handler_impl.cc
@@ -74,17 +74,6 @@ static bool ReverseViewSource(GURL* url, BrowserContext* browser_context) {
 }
 
 static bool DebugURLHandler(GURL* url, BrowserContext* browser_context) {
-  // If running inside the Telemetry test harness, allow automated
-  // navigations to access browser-side debug URLs. They must use the
-  // chrome:// scheme, since the about: scheme won't be rewritten in
-  // this code path.
-  if (CommandLine::ForCurrentProcess()->HasSwitch(
-          cc::switches::kEnableGpuBenchmarking)) {
-    if (HandleDebugURL(*url, PAGE_TRANSITION_FROM_ADDRESS_BAR)) {
-      return true;
-    }
-  }
-
   // Circumvent processing URLs that the renderer process will handle.
   return IsRendererDebugURL(*url);
 }