Create Mojo service for locking/unlocking screen orientation.

content/public/browser/screen_orientation_provider.h

Index: content/public/browser/screen_orientation_provider.h
diff --git a/content/public/browser/screen_orientation_provider.h b/content/public/browser/screen_orientation_provider.h
index c94fbe7239219326d1810b7cc4bc8d095bfd1fda..385ccf0c183f136471d51967f2f70570cd9c0424 100644
--- a/content/public/browser/screen_orientation_provider.h
+++ b/content/public/browser/screen_orientation_provider.h
@@ -5,23 +5,24 @@
 #ifndef CONTENT_PUBLIC_BROWSER_SCREEN_ORIENTATION_PROVIDER_H_
 #define CONTENT_PUBLIC_BROWSER_SCREEN_ORIENTATION_PROVIDER_H_
 
+#include "base/callback.h"
 #include "base/macros.h"
 #include "content/common/content_export.h"
-#include "third_party/WebKit/public/platform/WebScreenOrientationLockType.h"
+#include "content/public/common/screen_orientation.mojom.h"
 
 namespace content {
 
-class ScreenOrientationDispatcherHost;
 class WebContents;
 
+typedef base::Callback<void(ScreenOrientationLockResult)>
+    ScreenOrientationLockCallback;
+
 // Interface that needs to be implemented by any backend that wants to handle
 // screen orientation lock/unlock.
 class CONTENT_EXPORT ScreenOrientationProvider {
  public:
-  // Lock the screen orientation to |orientations|.
-  virtual void LockOrientation(
-      int request_id,
-      blink::WebScreenOrientationLockType orientations) = 0;
+  // Lock the screen orientation to |lock_type|.
+  virtual void LockOrientation(ScreenOrientationLockType lock_type) = 0;
 
   // Unlock the screen orientation.
   virtual void UnlockOrientation() = 0;
@@ -33,12 +34,13 @@ class CONTENT_EXPORT ScreenOrientationProvider {
   virtual ~ScreenOrientationProvider() {}
 
  protected:
-  friend class ScreenOrientationDispatcherHostImpl;
+  friend class ScreenOrientationServiceImpl;
 
   static ScreenOrientationProvider* Create(
-      ScreenOrientationDispatcherHost* dispatcher_host,
+      // The callback that should be invoked when a lock request receives a
+      // result.
+      const ScreenOrientationLockCallback& on_result_callback,
       WebContents* web_contents);
-
   ScreenOrientationProvider() {}
 
   DISALLOW_COPY_AND_ASSIGN(ScreenOrientationProvider);
@@ -47,11 +49,11 @@ class CONTENT_EXPORT ScreenOrientationProvider {
 #if !defined(OS_ANDROID)
 // static
 ScreenOrientationProvider* ScreenOrientationProvider::Create(
-    ScreenOrientationDispatcherHost* dispatcher_host,
+    const ScreenOrientationLockCallback& on_result_callback,
     WebContents* web_contents) {
   return NULL;
 }
-#endif // !defined(OS_ANDROID)
+#endif  // !defined(OS_ANDROID)
 
 } // namespace content