Create Mojo service for locking/unlocking screen orientation.

content/browser/web_contents/web_contents_impl.cc

Index: content/browser/web_contents/web_contents_impl.cc
diff --git a/content/browser/web_contents/web_contents_impl.cc b/content/browser/web_contents/web_contents_impl.cc
index 7ff5d88b6bc37deb890dabdbe4d1fa26604a8f85..58ed6e2b19f3f731fbf0373e83e65c8944f53ba4 100644
--- a/content/browser/web_contents/web_contents_impl.cc
+++ b/content/browser/web_contents/web_contents_impl.cc
@@ -48,7 +48,6 @@
 #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_view_base.h"
-#include "content/browser/screen_orientation/screen_orientation_dispatcher_host_impl.h"
 #include "content/browser/site_instance_impl.h"
 #include "content/browser/web_contents/web_contents_view_guest.h"
 #include "content/browser/webui/generic_handler.h"
@@ -77,7 +76,7 @@
 #include "content/public/browser/notification_service.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/storage_partition.h"
 #include "content/public/browser/user_metrics.h"
 #include "content/public/browser/web_contents_delegate.h"
@@ -333,9 +332,8 @@ WebContentsImpl::ColorChooserInfo::~ColorChooserInfo() {
 
 // WebContentsImpl -------------------------------------------------------------
 
-WebContentsImpl::WebContentsImpl(
-    BrowserContext* browser_context,
-    WebContentsImpl* opener)
+WebContentsImpl::WebContentsImpl(BrowserContext* browser_context,
+                                 WebContentsImpl* opener)
     : delegate_(NULL),
       controller_(this, browser_context),
       render_view_host_delegate_view_(NULL),
@@ -345,7 +343,10 @@ WebContentsImpl::WebContentsImpl(
       accessible_parent_(NULL),
 #endif
       frame_tree_(new NavigatorImpl(&controller_, this),
-                  this, this, this, this),
+                  this,
+                  this,
+                  this,
+                  this),
       is_loading_(false),
       is_load_to_different_document_(false),
       crashed_status_(base::TERMINATION_STATUS_STILL_RUNNING),
@@ -1203,9 +1204,6 @@ void WebContentsImpl::Init(const WebContents::CreateParams& params) {
   geolocation_dispatcher_host_.reset(new GeolocationDispatcherHost(this));
   midi_dispatcher_host_.reset(new MidiDispatcherHost(this));
 
-  screen_orientation_dispatcher_host_.reset(
-      new ScreenOrientationDispatcherHostImpl(this));
-
 #if defined(OS_ANDROID)
   date_time_chooser_.reset(new DateTimeChooserAndroid());
 #endif
@@ -3473,6 +3471,12 @@ gfx::NativeViewAccessible WebContentsImpl::GetParentNativeViewAccessible() {
 }
 #endif
 
+ScreenOrientationProvider* WebContentsImpl::GetScreenOrientationProvider() {
+  if (!screen_orientation_provider_)
+    screen_orientation_provider_.reset(ScreenOrientationProvider::Create(this));
+  return screen_orientation_provider_.get();
+}
+
 RenderViewHostDelegateView* WebContentsImpl::GetDelegateView() {
   return render_view_host_delegate_view_;
 }