[Extensions Bindings] Add chrome.runtime.lastError support

extensions/renderer/api_binding_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 "base/bind.h"
 #include "base/memory/ptr_util.h"
 #include "base/stl_util.h"
 #include "base/strings/stringprintf.h"
 #include "base/values.h"
 #include "extensions/renderer/api_binding.h"
@@ skipping 117 matching lines @@
                       v8::Local<v8::Context> context) {
     arguments_ = std::move(request->arguments);
     had_callback_ = request->has_callback;
   }
 
  protected:
   APIBindingUnittest() {}
   void SetUp() override {
     APIBindingTest::SetUp();
     request_handler_ = base::MakeUnique<APIRequestHandler>(
-        base::Bind(&RunFunctionOnGlobalAndIgnoreResult));
+        base::Bind(&RunFunctionOnGlobalAndIgnoreResult),
+        APILastError(APILastError::GetParent()));
   }
 
   void TearDown() override {
     request_handler_.reset();
     event_handler_.reset();
     binding_.reset();
     APIBindingTest::TearDown();
   }
 
   void SetFunctions(const char* functions) {
@@ skipping 830 matching lines @@
   ExpectPass(binding_object, "obj.oneString('ping');", "['pong']", false);
   EXPECT_EQ("[\"ping\"]", GetStringPropertyFromObject(
                               context->Global(), context, "requestArguments"));
 
   // Other methods, like stringAndInt(), should behave normally.
   ExpectPass(binding_object, "obj.stringAndInt('foo', 42);",
              "['foo',42]", false);
 }
 
 }  // namespace extensions