Add mojom::DisplayController.

services/ui/display/platform_screen_stub.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 "services/ui/display/platform_screen_stub.h"
 
 #include <memory>
 
 #include "base/bind.h"
 #include "base/location.h"
@@ skipping 11 matching lines @@
 // static
 std::unique_ptr<PlatformScreen> PlatformScreen::Create() {
   return base::MakeUnique<PlatformScreenStub>();
 }
 
 PlatformScreenStub::PlatformScreenStub() : weak_ptr_factory_(this) {}
 
 PlatformScreenStub::~PlatformScreenStub() {}
 
 void PlatformScreenStub::FixedSizeScreenConfiguration() {
-  delegate_->OnDisplayAdded(this, kDisplayId, gfx::Rect(1024, 768));
+  delegate_->OnDisplayAdded(kDisplayId, gfx::Rect(1024, 768));
 }
 
 void PlatformScreenStub::Init(PlatformScreenDelegate* delegate) {
   DCHECK(delegate);
   delegate_ = delegate;
   base::ThreadTaskRunnerHandle::Get()->PostTask(
       FROM_HERE, base::Bind(&PlatformScreenStub::FixedSizeScreenConfiguration,
                             weak_ptr_factory_.GetWeakPtr()));
 }
 
 int64_t PlatformScreenStub::GetPrimaryDisplayId() const {
   return kDisplayId;
 }
 
 }  // namespace display