LeakDetector: Add commandline option to force crash when leak is found.

content/shell/browser/webkit_test_controller.cc

 // Copyright 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 "content/shell/browser/webkit_test_controller.h"
 
 #include <iostream>
 
 #include "base/base64.h"
 #include "base/command_line.h"
@@ skipping 184 matching lines @@
 // static
 WebKitTestController* WebKitTestController::Get() {
   DCHECK(instance_);
   return instance_;
 }
 
 WebKitTestController::WebKitTestController()
     : main_window_(NULL),
       test_phase_(BETWEEN_TESTS),
       is_leak_detection_enabled_(CommandLine::ForCurrentProcess()->HasSwitch(
-          switches::kEnableLeakDetection)) {
+          switches::kEnableLeakDetection)),
+      crash_when_leak_found_(false) {
   CHECK(!instance_);
   instance_ = this;
+
+  if (is_leak_detection_enabled_) {
+    std::string switchValue =
+        CommandLine::ForCurrentProcess()->GetSwitchValueASCII(
+            switches::kEnableLeakDetection);
+    crash_when_leak_found_ = switchValue == switches::kCrashOnFailure;
+  }
+
   printer_.reset(new WebKitTestResultPrinter(&std::cout, &std::cerr));
   if (CommandLine::ForCurrentProcess()->HasSwitch(switches::kEncodeBinary))
     printer_->set_encode_binary_data(true);
   registrar_.Add(this,
                  NOTIFICATION_RENDERER_PROCESS_CREATED,
                  NotificationService::AllSources());
   GpuDataManager::GetInstance()->AddObserver(this);
   ResetAfterLayoutTest();
 }
 
@@ skipping 455 matching lines @@
     const LeakDetectionResult& result) {
   if (!result.leaked) {
     base::MessageLoop::current()->PostTask(FROM_HERE,
                                            base::MessageLoop::QuitClosure());
     return;
   }
 
   printer_->AddErrorMessage(
       base::StringPrintf("#LEAK - renderer pid %d (%s)", current_pid_,
                          result.detail.c_str()));
+  CHECK(!crash_when_leak_found_);
+
   DiscardMainWindow();
 }
 
 }  // namespace content