Ported GpuCrashTest to Telemetry, renaming the test to ContextLost.

content/browser/browser_url_handler_impl.cc

 // Copyright (c) 2012 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/browser_url_handler_impl.h"
 
+#include "base/command_line.h"
 #include "base/strings/string_util.h"
+#include "content/browser/web_contents/debug_urls.h"
 #include "content/browser/webui/web_ui_impl.h"
 #include "content/public/browser/content_browser_client.h"
+#include "content/public/common/content_switches.h"
 #include "content/public/common/url_constants.h"
 #include "url/gurl.h"
 
 namespace content {
 
 // Handles rewriting view-source URLs for what we'll actually load.
 static bool HandleViewSource(GURL* url, BrowserContext* browser_context) {
   if (url->SchemeIs(kViewSourceScheme)) {
     // Load the inner URL instead.
     *url = GURL(url->path());
@@ skipping 32 matching lines @@
 
   url_canon::Replacements<char> repl;
   repl.SetScheme(kViewSourceScheme,
                  url_parse::Component(0, strlen(kViewSourceScheme)));
   repl.SetPath(url->spec().c_str(),
       url_parse::Component(0, url->spec().size()));
   *url = url->ReplaceComponents(repl);
   return true;
 }
 
-static bool HandleDebugUrl(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(
+          switches::kEnableGpuBenchmarking)) {
+    if (HandleDebugURL(*url, PAGE_TRANSITION_FROM_ADDRESS_BAR)) {
+      return true;
+    }
+  }
+
   // Circumvent processing URLs that the renderer process will handle.
   return *url == GURL(kChromeUICrashURL) ||
          *url == GURL(kChromeUIHangURL) ||
          *url == GURL(kChromeUIKillURL) ||
          *url == GURL(kChromeUIShorthangURL);
 }
 
 // static
 BrowserURLHandler* BrowserURLHandler::GetInstance() {
   return BrowserURLHandlerImpl::GetInstance();
 }
 
 // static
 BrowserURLHandler::URLHandler BrowserURLHandler::null_handler() {
   // Required for VS2010: http://connect.microsoft.com/VisualStudio/feedback/details/520043/error-converting-from-null-to-a-pointer-type-in-std-pair
   return NULL;
 }
 
 // static
 BrowserURLHandlerImpl* BrowserURLHandlerImpl::GetInstance() {
   return Singleton<BrowserURLHandlerImpl>::get();
 }
 
 BrowserURLHandlerImpl::BrowserURLHandlerImpl() {
-  AddHandlerPair(&HandleDebugUrl, BrowserURLHandlerImpl::null_handler());
+  AddHandlerPair(&DebugURLHandler, BrowserURLHandlerImpl::null_handler());
 
   GetContentClient()->browser()->BrowserURLHandlerCreated(this);
 
   // view-source:
   AddHandlerPair(&HandleViewSource, &ReverseViewSource);
 }
 
 BrowserURLHandlerImpl::~BrowserURLHandlerImpl() {
 }
 
@@ skipping 27 matching lines @@
           return true;
       } else if (handler(&test_url, browser_context)) {
         return reverse_rewriter(url, browser_context);
       }
     }
   }
   return false;
 }
 
 }  // namespace content