Prevent duplicate navigation to debug URLs from Telemetry.

content/browser/frame_host/debug_urls.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/browser/frame_host/debug_urls.h"
 
 #include <vector>
 
+#include "base/command_line.h"
 #include "base/debug/asan_invalid_access.h"
 #include "base/debug/profiler.h"
 #include "base/strings/utf_string_conversions.h"
+#include "cc/base/switches.h"
 #include "content/browser/gpu/gpu_process_host_ui_shim.h"
 #include "content/browser/ppapi_plugin_process_host.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/common/content_constants.h"
 #include "content/public/common/url_constants.h"
 #include "ppapi/proxy/ppapi_messages.h"
 #include "url/gurl.h"
 
 namespace content {
 
@@ skipping 77 matching lines @@
   }
 #endif
 
   return true;
 }
 
 
 }  // namespace
 
 bool HandleDebugURL(const GURL& url, PageTransition transition) {
-  // Ensure that the user explicitly navigated to this URL.
-  if (!(transition & PAGE_TRANSITION_FROM_ADDRESS_BAR))
+  // Ensure that the user explicitly navigated to this URL, unless
+  // kEnableGpuBenchmarking is enabled by Telemetry.
+  bool is_telemetry_navigation = CommandLine::ForCurrentProcess()->HasSwitch(
+                                     cc::switches::kEnableGpuBenchmarking) &&
+                                 (transition & PAGE_TRANSITION_TYPED);
+
+  if (!(transition & PAGE_TRANSITION_FROM_ADDRESS_BAR) &&
+      !is_telemetry_navigation)
     return false;
 
   // NOTE: when you add handling of any URLs to this function, also
   // update IsDebugURL, below.
 
   if (IsAsanDebugURL(url))
     return HandleAsanDebugURL(url);
 
   if (url.host() == kChromeUIBrowserCrashHost) {
     // Induce an intentional crash in the browser process.
@@ skipping 53 matching lines @@
     return true;
 
   return url == GURL(kChromeUICrashURL) ||
          url == GURL(kChromeUIDumpURL) ||
          url == GURL(kChromeUIKillURL) ||
          url == GURL(kChromeUIHangURL) ||
          url == GURL(kChromeUIShorthangURL);
 }
 
 }  // namespace content