[ChromeDriver] Subscribe PerformanceLogger to CommandListener interface

chrome/test/chromedriver/util.cc

 // Copyright (c) 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 "chrome/test/chromedriver/util.h"
 
 #include "base/base64.h"
 #include "base/file_util.h"
 #include "base/files/file_enumerator.h"
 #include "base/files/scoped_temp_dir.h"
 #include "base/format_macros.h"
+#include "base/memory/scoped_vector.h"
 #include "base/rand_util.h"
 #include "base/strings/string16.h"
 #include "base/strings/string_util.h"
 #include "base/strings/stringprintf.h"
 #include "base/third_party/icu/icu_utf.h"
 #include "base/values.h"
 #include "chrome/test/chromedriver/chrome/status.h"
 #include "chrome/test/chromedriver/chrome/ui_events.h"
 #include "chrome/test/chromedriver/chrome/web_view.h"
+#include "chrome/test/chromedriver/command_listener.h"
 #include "chrome/test/chromedriver/key_converter.h"
+#include "chrome/test/chromedriver/session.h"
 #include "third_party/zlib/google/zip.h"
 
 std::string GenerateId() {
   uint64 msb = base::RandUint64();
   uint64 lsb = base::RandUint64();
   return base::StringPrintf("%016" PRIx64 "%016" PRIx64, msb, lsb);
 }
 
 namespace {
 
@@ skipping 362 matching lines @@
   if (first_file.empty())
     return Status(kUnknownError, "contained 0 files");
 
   base::FilePath second_file = enumerator.Next();
   if (!second_file.empty())
     return Status(kUnknownError, "contained multiple files");
 
   *file = first_file;
   return Status(kOk);
 }
+
+void NotifySessionListenersBeforeCommand(Session* session,
+                                         const std::string& command_name) {
+  for (ScopedVector<CommandListener>::const_iterator it =
+       session->command_listeners.begin();
+       it != session->command_listeners.end();
+       ++it) {
+    Status status = (*it)->BeforeCommand(command_name);
+    if (status.IsError())
+      LOG(ERROR) << "Error when notifying listener of command";
+  }
+}