VR: Use ToolbarModel to drive VR URL bar state.

chrome/browser/android/vr_shell/vr_shell.h

 // 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.
 
 #ifndef CHROME_BROWSER_ANDROID_VR_SHELL_VR_SHELL_H_
 #define CHROME_BROWSER_ANDROID_VR_SHELL_VR_SHELL_H_
 
 #include <jni.h>
 
 #include <memory>
 
 #include "base/android/jni_weak_ref.h"
 #include "base/callback.h"
 #include "base/macros.h"
 #include "base/memory/weak_ptr.h"
 #include "base/single_thread_task_runner.h"
 #include "chrome/browser/android/vr_shell/ui_interface.h"
 #include "chrome/browser/android/vr_shell/ui_unsupported_mode.h"
 #include "chrome/browser/android/vr_shell/vr_controller_model.h"
+#include "chrome/browser/ui/toolbar/chrome_toolbar_model_delegate.h"
 #include "content/public/browser/web_contents_observer.h"
 #include "device/vr/android/gvr/cardboard_gamepad_data_provider.h"
 #include "device/vr/android/gvr/gvr_delegate.h"
 #include "device/vr/android/gvr/gvr_gamepad_data_provider.h"
 #include "device/vr/vr_service.mojom.h"
 #include "third_party/gvr-android-sdk/src/libraries/headers/vr/gvr/capi/include/gvr_types.h"
 
 namespace blink {
 class WebInputEvent;
 }
 
 namespace content {
 class WebContents;
 }
 
 namespace ui {
 class WindowAndroid;
 }
 
 namespace vr_shell {
 
 class AndroidUiGestureTarget;
+class ToolbarHelper;
 class UiInterface;
 class VrCompositor;
 class VrGLThread;
 class VrInputManager;
 class VrMetricsHelper;
 class VrShellDelegate;
 class VrWebContentsObserver;
 
 enum UiAction {
   HISTORY_BACK = 0,
   HISTORY_FORWARD,
   RELOAD,
   SHOW_TAB,
   OPEN_NEW_TAB,
   EXIT_PRESENT,
 };
 
 class VrMetricsHelper;
 
 // The native instance of the Java VrShell. This class is not threadsafe and
 // must only be used on the UI thread.
 class VrShell : public device::GvrDelegate,
                 device::GvrGamepadDataProvider,
-                device::CardboardGamepadDataProvider {
+                device::CardboardGamepadDataProvider,
+                public ChromeToolbarModelDelegate {
  public:
   VrShell(JNIEnv* env,
           jobject obj,
           ui::WindowAndroid* window,
           bool for_web_vr,
           bool web_vr_autopresented,
           bool in_cct,
           VrShellDelegate* delegate,
           gvr_context* gvr_api,
           bool reprojected_rendering);
@@ skipping 90 matching lines @@
   void SubmitControllerModel(std::unique_ptr<VrControllerModel> model);
 
   // device::GvrGamepadDataProvider implementation.
   void UpdateGamepadData(device::GvrGamepadData) override;
   void RegisterGvrGamepadDataFetcher(device::GvrGamepadDataFetcher*) override;
 
   // device::CardboardGamepadDataProvider implementation.
   void RegisterCardboardGamepadDataFetcher(
       device::CardboardGamepadDataFetcher*) override;
 
+  // ChromeToolbarModelDelegate implementation.
+  content::WebContents* GetActiveWebContents() const override;
+
  private:
   ~VrShell() override;
   void WaitForGlThread();
   void PostToGlThread(const tracked_objects::Location& from_here,
                       const base::Closure& task);
   void SetUiState();
 
   // device::GvrDelegate implementation.
   void SetWebVRSecureOrigin(bool secure_origin) override;
   void UpdateVSyncInterval(int64_t timebase_nanos,
@@ skipping 26 matching lines @@
   VrShellDelegate* delegate_provider_ = nullptr;
   base::android::ScopedJavaGlobalRef<jobject> j_vr_shell_;
 
   std::unique_ptr<VrInputManager> input_manager_;
   std::unique_ptr<AndroidUiGestureTarget> android_ui_gesture_target_;
   std::unique_ptr<VrMetricsHelper> metrics_helper_;
 
   scoped_refptr<base::SingleThreadTaskRunner> main_thread_task_runner_;
   std::unique_ptr<VrGLThread> gl_thread_;
   bool thread_started_ = false;
+  bool reprojected_rendering_;
+
   UiInterface* ui_;
-  bool reprojected_rendering_;
+  std::unique_ptr<ToolbarHelper> toolbar_;
 
   jobject content_surface_ = nullptr;
   bool taken_surface_ = false;
   base::CancelableClosure poll_capturing_media_task_;
   bool is_capturing_audio_ = false;
   bool is_capturing_video_ = false;
   bool is_capturing_screen_ = false;
 
   // Are we currently providing a gamepad factory to the gamepad manager?
   bool gvr_gamepad_source_active_ = false;
   bool cardboard_gamepad_source_active_ = false;
 
   // Registered fetchers, must remain alive for UpdateGamepadData calls.
   // That's ok since the fetcher is only destroyed from VrShell's destructor.
   device::GvrGamepadDataFetcher* gvr_gamepad_data_fetcher_ = nullptr;
   device::CardboardGamepadDataFetcher* cardboard_gamepad_data_fetcher_ =
       nullptr;
   int64_t cardboard_gamepad_timer_ = 0;
 
   base::WeakPtrFactory<VrShell> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(VrShell);
 };
 
 bool RegisterVrShell(JNIEnv* env);
 
 }  // namespace vr_shell
 
 #endif  // CHROME_BROWSER_ANDROID_VR_SHELL_VR_SHELL_H_