Implement ScreenOrientationDelegate on ChromeOS

content/browser/screen_orientation/screen_orientation_delegate_android.cc

Index: content/browser/screen_orientation/screen_orientation_delegate_android.cc
diff --git a/content/browser/screen_orientation/screen_orientation_delegate_android.cc b/content/browser/screen_orientation/screen_orientation_delegate_android.cc
index bb2f5bc61f9d0d3f0dae48774010b36e7b1963d6..3a8874e46fbfbbec7aa6d3b69766a1c28cbae4d9 100644
--- a/content/browser/screen_orientation/screen_orientation_delegate_android.cc
+++ b/content/browser/screen_orientation/screen_orientation_delegate_android.cc
@@ -41,10 +41,11 @@ bool ScreenOrientationDelegateAndroid::FullScreenRequired(
   return fullscreen_required;
 }
 
-void ScreenOrientationDelegateAndroid::Lock(
+bool ScreenOrientationDelegateAndroid::Lock(WebContents* web_contents,
     blink::WebScreenOrientationLockType lock_orientation) {
   Java_ScreenOrientationProvider_lockOrientation(
       base::android::AttachCurrentThread(), lock_orientation);
+  return true;
 }
 
 bool ScreenOrientationDelegateAndroid::ScreenOrientationProviderSupported() {
@@ -52,7 +53,7 @@ bool ScreenOrientationDelegateAndroid::ScreenOrientationProviderSupported() {
   return true;
 }
 
-void ScreenOrientationDelegateAndroid::Unlock() {
+void ScreenOrientationDelegateAndroid::Unlock(WebContents* web_contents) {
   Java_ScreenOrientationProvider_unlockOrientation(
       base::android::AttachCurrentThread());
 }