VR: Further split common code from Android-specific code.

chrome/browser/android/vr_shell/vr_browser_interface.h

-// Copyright 2017 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.
-
-#ifndef CHROME_BROWSER_ANDROID_VR_SHELL_VR_BROWSER_INTERFACE_H_
-#define CHROME_BROWSER_ANDROID_VR_SHELL_VR_BROWSER_INTERFACE_H_
-
-#include <memory>
-
-#include "base/android/jni_weak_ref.h"
-#include "base/bind.h"
-#include "base/memory/weak_ptr.h"
-#include "base/time/time.h"
-#include "chrome/browser/android/vr_shell/ui_interface.h"
-#include "chrome/browser/android/vr_shell/ui_unsupported_mode.h"
-#include "device/vr/android/gvr/gvr_gamepad_data_provider.h"
-#include "device/vr/vr_service.mojom.h"
-
-namespace blink {
-class WebInputEvent;
-}
-
-namespace vr_shell {
-
-// An interface for communication with Vr Browser. Many of the functions in this
-// interface are proxies to methods on VrShell.
-class VrBrowserInterface {
- public:
-  virtual ~VrBrowserInterface() = default;
-
-  virtual void ContentSurfaceChanged(jobject surface) = 0;
-  virtual void GvrDelegateReady() = 0;
-  virtual void UpdateGamepadData(device::GvrGamepadData) = 0;
-  virtual void AppButtonGesturePerformed(UiInterface::Direction direction) = 0;
-  virtual void AppButtonClicked() = 0;
-  virtual void ProcessContentGesture(
-      std::unique_ptr<blink::WebInputEvent> event) = 0;
-  virtual void ForceExitVr() = 0;
-  virtual void ExitPresent() = 0;
-  virtual void ExitFullscreen() = 0;
-  virtual void RunVRDisplayInfoCallback(
-      const base::Callback<void(device::mojom::VRDisplayInfoPtr)>& callback,
-      device::mojom::VRDisplayInfoPtr* info) = 0;
-  virtual void OnContentPaused(bool enabled) = 0;
-  virtual void NavigateBack() = 0;
-  virtual void ExitCct() = 0;
-  virtual void ToggleCardboardGamepad(bool enabled) = 0;
-  virtual void OnUnsupportedMode(UiUnsupportedMode mode) = 0;
-};
-
-}  // namespace vr_shell
-
-#endif  // CHROME_BROWSER_ANDROID_VR_SHELL_VR_BROWSER_INTERFACE_H_