Collect tab timing information for use in telementry-based startup tests

chrome/test/perf/page_cycler_test.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 "base/basictypes.h"
 #include "base/command_line.h"
 #include "base/file_util.h"
 #include "base/files/file_path.h"
 #include "base/path_service.h"
 #include "base/process_util.h"
@@ skipping 112 matching lines @@
   }
   VLOG(1) << "Buffer cache should be primed with " << loaded << " files.";
 }
 
 class PageCyclerTest : public UIPerfTest {
  public:
   PageCyclerTest() : print_times_only_(false),
                      num_test_iterations_(kTestIterations) {
     show_window_ = true;
     dom_automation_enabled_ = true;
+    stats_collection_extension_enabled_ = true;
 
     const CommandLine& parsed_command_line = *CommandLine::ForCurrentProcess();
     if (parsed_command_line.HasSwitch(switches::kPageCyclerIterations)) {
       std::string str = parsed_command_line.GetSwitchValueASCII(
           switches::kPageCyclerIterations);
       base::StringToInt(str, &num_test_iterations_);
     }
   }
 
   virtual void SetLaunchSwitches() OVERRIDE {
@@ skipping 127 matching lines @@
 
  private:
   void PrintMemoryHistogram(const std::string& name,
                             const std::string& units) {
     scoped_refptr<TabProxy> tab(GetActiveTab());
     ASSERT_TRUE(tab.get());
     std::wstring whistogram;
     ASSERT_TRUE(tab->ExecuteAndExtractString(
         L"",
         L"window.domAutomationController.send("
-        L"window.domAutomationController.getHistogram ? "
-        L"window.domAutomationController.getHistogram(\"" +
+        L"window.statsCollectionExtension.getHistogram ? "
+        L"window.statsCollectionExtension.getHistogram(\"" +
         base::SysUTF8ToWide(name) + L"\") : '')",
         &whistogram));
     std::string histogram = base::SysWideToNativeMB(whistogram);
     printf("HISTOGRAM %s: %s = %s %s\n",
            name.c_str(), name.c_str(), histogram.c_str(), units.c_str());
   }
 
   void PrintMemoryHistograms() {
     ASSERT_NO_FATAL_FAILURE(PrintMemoryHistogram(
         "V8.MemoryExternalFragmentationTotal", "percent"));
@@ skipping 385 matching lines @@
 TEST_F(PageCyclerAccessibilityTest, MozFileWithAccessibilityEnabled) {
   num_test_iterations_ = 1;
   RunTest("times", "moz", false);
 }
 
 TEST_F(PageCyclerAccessibilityTest, MorejsFileWithAccessibilityEnabled) {
   RunTest("times", "morejs", false);
 }
 
 }  // namespace