Fix event warning crash when a listener is removed while dispatching event

components/test_runner/test_runner.cc

 // Copyright 2014 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 "components/test_runner/test_runner.h"
 
 #include <stddef.h>
 #include <limits>
 #include <utility>
 
@@ skipping 193 matching lines @@
   void SetBluetoothManualChooser(bool enable);
   void SetCanOpenWindows();
   void SetCloseRemainingWindowsWhenComplete(gin::Arguments* args);
   void SetColorProfile(const std::string& name,
                        v8::Local<v8::Function> callback);
   void SetCustomPolicyDelegate(gin::Arguments* args);
   void SetCustomTextOutput(const std::string& output);
   void SetDatabaseQuota(int quota);
   void SetDomainRelaxationForbiddenForURLScheme(bool forbidden,
                                                 const std::string& scheme);
+  void SetDumpConsoleMessages(bool value);
   void SetImagesAllowed(bool allowed);
   void SetIsolatedWorldContentSecurityPolicy(int world_id,
                                              const std::string& policy);
   void SetIsolatedWorldSecurityOrigin(int world_id,
                                       v8::Local<v8::Value> origin);
   void SetJavaScriptCanAccessClipboard(bool can_access);
   void SetMIDIAccessorResult(bool result);
   void SetMediaAllowed(bool allowed);
   void SetMockDeviceLight(double value);
   void SetMockDeviceMotion(gin::Arguments* args);
@@ skipping 281 matching lines @@
       .SetMethod("setCloseRemainingWindowsWhenComplete",
                  &TestRunnerBindings::SetCloseRemainingWindowsWhenComplete)
       .SetMethod("setColorProfile", &TestRunnerBindings::SetColorProfile)
       .SetMethod("setCustomPolicyDelegate",
                  &TestRunnerBindings::SetCustomPolicyDelegate)
       .SetMethod("setCustomTextOutput",
                  &TestRunnerBindings::SetCustomTextOutput)
       .SetMethod("setDatabaseQuota", &TestRunnerBindings::SetDatabaseQuota)
       .SetMethod("setDomainRelaxationForbiddenForURLScheme",
                  &TestRunnerBindings::SetDomainRelaxationForbiddenForURLScheme)
+      .SetMethod("setDumpConsoleMessages",
+                 &TestRunnerBindings::SetDumpConsoleMessages)
       .SetMethod("setIconDatabaseEnabled", &TestRunnerBindings::NotImplemented)
       .SetMethod("setImagesAllowed", &TestRunnerBindings::SetImagesAllowed)
       .SetMethod("setIsolatedWorldContentSecurityPolicy",
                  &TestRunnerBindings::SetIsolatedWorldContentSecurityPolicy)
       .SetMethod("setIsolatedWorldSecurityOrigin",
                  &TestRunnerBindings::SetIsolatedWorldSecurityOrigin)
       .SetMethod("setJavaScriptCanAccessClipboard",
                  &TestRunnerBindings::SetJavaScriptCanAccessClipboard)
       .SetMethod("setMIDIAccessorResult",
                  &TestRunnerBindings::SetMIDIAccessorResult)
@@ skipping 167 matching lines @@
     return view_runner_->CallShouldCloseOnWebView();
   return false;
 }
 
 void TestRunnerBindings::SetDomainRelaxationForbiddenForURLScheme(
     bool forbidden, const std::string& scheme) {
   if (view_runner_)
     view_runner_->SetDomainRelaxationForbiddenForURLScheme(forbidden, scheme);
 }
 
+void TestRunnerBindings::SetDumpConsoleMessages(bool enabled) {
+  if (runner_)
+    runner_->SetDumpConsoleMessages(enabled);
+}
+
 v8::Local<v8::Value>
 TestRunnerBindings::EvaluateScriptInIsolatedWorldAndReturnValue(
     int world_id, const std::string& script) {
   if (!view_runner_ || world_id <= 0 || world_id >= (1 << 29))
     return v8::Local<v8::Value>();
   return view_runner_->EvaluateScriptInIsolatedWorldAndReturnValue(world_id,
                                                                    script);
 }
 
 void TestRunnerBindings::EvaluateScriptInIsolatedWorld(
@@ skipping 1846 matching lines @@
   layout_test_runtime_flags_.set_dump_drag_image(true);
   DumpAsTextWithPixelResults();
   OnLayoutTestRuntimeFlagsChanged();
 }
 
 void TestRunner::DumpNavigationPolicy() {
   layout_test_runtime_flags_.set_dump_navigation_policy(true);
   OnLayoutTestRuntimeFlagsChanged();
 }
 
+void TestRunner::SetDumpConsoleMessages(bool value) {
+  layout_test_runtime_flags_.set_dump_console_messages(value);
+  OnLayoutTestRuntimeFlagsChanged();
+}
+
+bool TestRunner::ShouldDumpConsoleMessages() const {
+  return layout_test_runtime_flags_.dump_console_messages();
+}
+
 void TestRunner::CloseWebInspector() {
   delegate_->CloseDevTools();
 }
 
 bool TestRunner::IsChooserShown() {
   return 0 < chooser_count_;
 }
 
 void TestRunner::EvaluateInWebInspector(int call_id,
                                         const std::string& script) {
@@ skipping 140 matching lines @@
 
 void TestRunner::CompleteNotifyDone() {
   if (layout_test_runtime_flags_.wait_until_done() && !topLoadingFrame() &&
       work_queue_.is_empty())
     delegate_->TestFinished();
   layout_test_runtime_flags_.set_wait_until_done(false);
   OnLayoutTestRuntimeFlagsChanged();
 }
 
 }  // namespace test_runner