Mojo-ify implementation of screen orientation locking/unlocking.

content/browser/web_contents/web_contents_impl.cc

 // Copyright (c) 2012 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 "content/browser/web_contents/web_contents_impl.h"
 
 #include <stddef.h>
 
 #include <cmath>
 #include <utility>
@@ skipping 52 matching lines @@
 #include "content/browser/media/session/media_session.h"
 #include "content/browser/message_port_message_filter.h"
 #include "content/browser/plugin_content_origin_whitelist.h"
 #include "content/browser/renderer_host/render_process_host_impl.h"
 #include "content/browser/renderer_host/render_view_host_delegate_view.h"
 #include "content/browser/renderer_host/render_view_host_impl.h"
 #include "content/browser/renderer_host/render_widget_host_impl.h"
 #include "content/browser/renderer_host/render_widget_host_input_event_router.h"
 #include "content/browser/renderer_host/render_widget_host_view_base.h"
 #include "content/browser/renderer_host/text_input_manager.h"
-#include "content/browser/screen_orientation/screen_orientation_dispatcher_host_impl.h"
+#include "content/browser/screen_orientation/screen_orientation_impl.h"
 #include "content/browser/site_instance_impl.h"
 #include "content/browser/web_contents/web_contents_view_child_frame.h"
 #include "content/browser/web_contents/web_contents_view_guest.h"
 #include "content/browser/webui/generic_handler.h"
 #include "content/browser/webui/web_ui_controller_factory_registry.h"
 #include "content/browser/webui/web_ui_impl.h"
 #include "content/common/browser_plugin/browser_plugin_constants.h"
 #include "content/common/browser_plugin/browser_plugin_messages.h"
 #include "content/common/frame_messages.h"
 #include "content/common/input_messages.h"
@@ skipping 11 matching lines @@
 #include "content/public/browser/guest_mode.h"
 #include "content/public/browser/invalidate_type.h"
 #include "content/public/browser/javascript_dialog_manager.h"
 #include "content/public/browser/load_notification_details.h"
 #include "content/public/browser/navigation_details.h"
 #include "content/public/browser/notification_details.h"
 #include "content/public/browser/notification_service.h"
 #include "content/public/browser/notification_types.h"
 #include "content/public/browser/render_widget_host_iterator.h"
 #include "content/public/browser/resource_request_details.h"
-#include "content/public/browser/screen_orientation_dispatcher_host.h"
+#include "content/public/browser/screen_orientation_provider.h"
 #include "content/public/browser/security_style_explanations.h"
 #include "content/public/browser/storage_partition.h"
 #include "content/public/browser/user_metrics.h"
 #include "content/public/browser/web_contents_binding_set.h"
 #include "content/public/browser/web_contents_delegate.h"
 #include "content/public/browser/web_contents_unresponsive_state.h"
 #include "content/public/common/bindings_policy.h"
 #include "content/public/common/browser_side_navigation_policy.h"
 #include "content/public/common/child_process_host.h"
 #include "content/public/common/content_constants.h"
@@ skipping 345 matching lines @@
 #else
   media_web_contents_observer_.reset(new MediaWebContentsObserver(this));
 #endif
 #if defined (ENABLE_PLUGINS)
   pepper_playback_observer_.reset(new PepperPlaybackObserver(this));
 #endif
   loader_io_thread_notifier_.reset(new LoaderIOThreadNotifier(this));
   wake_lock_service_context_.reset(new device::WakeLockServiceContext(
       BrowserThread::GetTaskRunnerForThread(BrowserThread::FILE),
       base::Bind(&WebContentsImpl::GetNativeView, base::Unretained(this))));
+  screen_orientation_.reset(new ScreenOrientationImpl(this));
 }
 
 WebContentsImpl::~WebContentsImpl() {
   is_being_destroyed_ = true;
 
   rwh_input_event_router_.reset();
 
   for (auto& entry : binding_sets_)
     entry.second->CloseAllBindings();
 
@@ skipping 1098 matching lines @@
 
 #if defined(ENABLE_PLUGINS)
   plugin_content_origin_whitelist_.reset(
       new PluginContentOriginWhitelist(this));
 #endif
 
   registrar_.Add(this,
                  NOTIFICATION_RENDER_WIDGET_HOST_DESTROYED,
                  NotificationService::AllBrowserContextsAndSources());
 
-  screen_orientation_dispatcher_host_.reset(

[blundell, 2016/10/21 18:16:31]

Is there a reason that you moved where this object was created?

[lunalu1, 2016/10/24 16:57:36]

Done.

-      new ScreenOrientationDispatcherHostImpl(this));
-
   manifest_manager_host_.reset(new ManifestManagerHost(this));
 
 #if defined(OS_ANDROID)
   date_time_chooser_.reset(new DateTimeChooserAndroid());
 #endif
 
   // BrowserPluginGuest::Init needs to be called after this WebContents has
   // a RenderWidgetHostViewGuest. That is, |view_->CreateView| above.
   if (browser_plugin_guest_)
     browser_plugin_guest_->Init();
@@ skipping 789 matching lines @@
 
 device::GeolocationServiceContext*
 WebContentsImpl::GetGeolocationServiceContext() {
   return geolocation_service_context_.get();
 }
 
 device::WakeLockServiceContext* WebContentsImpl::GetWakeLockServiceContext() {
   return wake_lock_service_context_.get();
 }
 
+ScreenOrientationImpl* WebContentsImpl::GetScreenOrientation() {
+  return screen_orientation_.get();
+}
+
 void WebContentsImpl::OnShowValidationMessage(
     const gfx::Rect& anchor_in_root_view,
     const base::string16& main_text,
     const base::string16& sub_text) {
   if (delegate_)
     delegate_->ShowValidationMessage(
         this, anchor_in_root_view, main_text, sub_text);
 }
 
 void WebContentsImpl::OnHideValidationMessage() {
@@ skipping 2777 matching lines @@
   dialog_manager_ = dialog_manager;
 }
 
 void WebContentsImpl::RemoveBindingSet(const std::string& interface_name) {
   auto it = binding_sets_.find(interface_name);
   if (it != binding_sets_.end())
     binding_sets_.erase(it);
 }
 
 }  // namespace content