[Extenisons Bindings] Don't throw unchecked errors; add console errors

extensions/renderer/api_bindings_system_unittest.cc

 // Copyright 2016 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 "extensions/renderer/api_bindings_system.h"
 
 #include "base/bind.h"
 #include "base/macros.h"
 #include "base/memory/ptr_util.h"
 #include "base/stl_util.h"
@@ skipping 144 matching lines @@
   }
 
   bindings_system_ = base::MakeUnique<APIBindingsSystem>(
       base::Bind(&RunFunctionOnGlobalAndIgnoreResult),
       base::Bind(&RunFunctionOnGlobalAndReturnHandle),
       base::Bind(&APIBindingsSystemTest::GetAPISchema, base::Unretained(this)),
       base::Bind(&APIBindingsSystemTest::OnAPIRequest, base::Unretained(this)),
       base::Bind(&APIBindingsSystemTest::OnEventListenersChanged,
                  base::Unretained(this)),
       APILastError(base::Bind(&APIBindingsSystemTest::GetLastErrorParent,
-                              base::Unretained(this))));
+                              base::Unretained(this)),
+                   APILastError::AddConsoleError()));
 }
 
 void APIBindingsSystemTest::TearDown() {
   // Dispose all contexts now so that we call WillReleaseContext().
   DisposeAllContexts();
   bindings_system_.reset();
   APIBindingTest::TearDown();
 }
 
 void APIBindingsSystemTest::OnWillDisposeContext(
@@ skipping 332 matching lines @@
   v8::Local<v8::Value> other_event =
       GetPropertyFromObject(api, context, "alphaOtherEvent");
   ASSERT_TRUE(other_event->IsObject());
   EXPECT_EQ("\"alpha.alphaOtherEvent\"",
             GetStringPropertyFromObject(other_event.As<v8::Object>(), context,
                                         "name"));
   EXPECT_NE(event, other_event);
 }
 
 }  // namespace extensions