Adding Chrome Frame metric for SetSite performance.

chrome_frame/bho.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 "chrome_frame/bho.h"
 
 #include <shlguid.h>
 
 #include "base/file_path.h"
 #include "base/logging.h"
 #include "base/path_service.h"
 #include "base/string_util.h"
 #include "base/stringprintf.h"
+#include "base/time.h"
 #include "base/win/scoped_bstr.h"
 #include "chrome_frame/buggy_bho_handling.h"
 #include "chrome_frame/crash_reporting/crash_metrics.h"
 #include "chrome_frame/extra_system_apis.h"
 #include "chrome_frame/html_utils.h"
 #include "chrome_frame/http_negotiate.h"
 #include "chrome_frame/metrics_service.h"
 #include "chrome_frame/protocol_sink_wrap.h"
 #include "chrome_frame/ready_mode/ready_mode.h"
 #include "chrome_frame/urlmon_moniker.h"
@@ skipping 41 matching lines @@
 HRESULT Bho::FinalConstruct() {
   return S_OK;
 }
 
 void Bho::FinalRelease() {
 }
 
 STDMETHODIMP Bho::SetSite(IUnknown* site) {
   HRESULT hr = S_OK;
   if (site) {
+    base::TimeTicks start = base::TimeTicks::Now();
     base::win::ScopedComPtr<IWebBrowser2> web_browser2;
     web_browser2.QueryFrom(site);
     if (web_browser2) {
       hr = DispEventAdvise(web_browser2, &DIID_DWebBrowserEvents2);
       DCHECK(SUCCEEDED(hr)) << "DispEventAdvise failed. Error: " << hr;
     }
 
     if (g_patch_helper.state() == PatchHelper::PATCH_IBROWSER) {
       base::win::ScopedComPtr<IBrowserService> browser_service;
       hr = DoQueryService(SID_SShellBrowser, site, browser_service.Receive());
       DCHECK(browser_service) << "DoQueryService - SID_SShellBrowser failed."
           << " Site: " << site << " Error: " << hr;
       if (browser_service) {
         g_patch_helper.PatchBrowserService(browser_service);
         DCHECK(SUCCEEDED(hr)) << "vtable_patch::PatchInterfaceMethods failed."
             << " Site: " << site << " Error: " << hr;
       }
     }
     // Save away our BHO instance in TLS which enables it to be referenced by
     // our active document/activex instances to query referrer and other
     // information for a URL.
     AddRef();
     RegisterThreadInstance();
     MetricsService::Start();
 
     if (!IncreaseWinInetConnections(kMaxHttpConnections)) {
       DLOG(WARNING) << "Failed to bump up HTTP connections. Error:"
                     << ::GetLastError();
     }
+
+    base::TimeDelta delta = base::TimeTicks::Now() - start;
+    UMA_HISTOGRAM_TIMES("ChromeFrame.BhoLoadSetSite", delta);
   } else {
     UnregisterThreadInstance();
     buggy_bho::BuggyBhoTls::DestroyInstance();
     base::win::ScopedComPtr<IWebBrowser2> web_browser2;
     web_browser2.QueryFrom(m_spUnkSite);
     DispEventUnadvise(web_browser2, &DIID_DWebBrowserEvents2);
     Release();
   }
 
   return IObjectWithSiteImpl<Bho>::SetSite(site);
@@ skipping 235 matching lines @@
   }
 }
 
 void PatchHelper::UnpatchIfNeeded() {
   if (state_ == PATCH_PROTOCOL) {
     g_trans_hooks.RevertHooks();
     HttpNegotiatePatch::Uninitialize();
   }
   state_ = UNKNOWN;
 }