[chromedriver] Add an error autoreporting feature that automatically raises errors from browser logs

chrome/test/chromedriver/session.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/test/chromedriver/session.h"
 
 #include <list>
 
 #include "base/lazy_instance.h"
 #include "base/threading/thread_local.h"
@@ skipping 21 matching lines @@
 const base::TimeDelta Session::kDefaultPageLoadTimeout =
     base::TimeDelta::FromMinutes(5);
 
 Session::Session(const std::string& id)
     : id(id),
       quit(false),
       detach(false),
       force_devtools_screenshot(false),
       sticky_modifiers(0),
       mouse_position(0, 0),
-      page_load_timeout(kDefaultPageLoadTimeout) {}
+      page_load_timeout(kDefaultPageLoadTimeout),
+      auto_reporting_enabled(false) {}
 
 Session::Session(const std::string& id, scoped_ptr<Chrome> chrome)
     : id(id),
       quit(false),
       detach(false),
       force_devtools_screenshot(false),
       chrome(chrome.Pass()),
       sticky_modifiers(0),
       mouse_position(0, 0),
-      page_load_timeout(kDefaultPageLoadTimeout) {}
+      page_load_timeout(kDefaultPageLoadTimeout),
+      auto_reporting_enabled(false) {}
 
 Session::~Session() {}
 
 Status Session::GetTargetWindow(WebView** web_view) {
   if (!chrome)
     return Status(kNoSuchWindow, "no chrome started in this session");
 
   Status status = chrome->GetWebViewById(window, web_view);
   if (status.IsError())
     status = Status(kNoSuchWindow, "target window already closed", status);
@@ skipping 23 matching lines @@
   for (ScopedVector<WebDriverLog>::const_iterator log = devtools_logs.begin();
        log != devtools_logs.end();
        ++log) {
     logs.push_back(*log);
   }
   if (driver_log)
     logs.push_back(driver_log.get());
   return logs;
 }
 
+std::string Session::GetFirstBrowserError() const {
+  for (ScopedVector<WebDriverLog>::const_iterator it = devtools_logs.begin();
+       it != devtools_logs.end();
+       ++it) {
+    if ((*it)->type() == WebDriverLog::kBrowserType) {
+      std::string message = (*it)->GetFirstErrorMessage();
+      if (!message.empty())
+        return message;
+    }
+  }
+  return std::string();
+}
+
 Session* GetThreadLocalSession() {
   return lazy_tls_session.Pointer()->Get();
 }
 
 void SetThreadLocalSession(scoped_ptr<Session> session) {
   lazy_tls_session.Pointer()->Set(session.release());
 }