DialogSurfaceManager implementation.

content/public/android/java/src/org/chromium/content/app/ChildProcessServiceImpl.java

Index: content/public/android/java/src/org/chromium/content/app/ChildProcessServiceImpl.java
diff --git a/content/public/android/java/src/org/chromium/content/app/ChildProcessServiceImpl.java b/content/public/android/java/src/org/chromium/content/app/ChildProcessServiceImpl.java
index fde50c8f4b2427b5b341b8026ae88bbb11505a8f..0422b1c101a6c44cbbeca0da1d593e04de24bd0e 100644
--- a/content/public/android/java/src/org/chromium/content/app/ChildProcessServiceImpl.java
+++ b/content/public/android/java/src/org/chromium/content/app/ChildProcessServiceImpl.java
@@ -397,6 +397,17 @@ public class ChildProcessServiceImpl {
         }
     }
 
+    @SuppressWarnings("unused")
+    @CalledByNative
+    private IBinder getDialogSurfaceManager() {
+        try {
+            return mCallback.getDialogSurfaceManager();
+        } catch (RemoteException e) {
+            Log.e(TAG, "Unable to call getDialogSurfaceManager: %s", e);
+            return null;
+        }
+    }
+
     /**
      * Helper for registering FileDescriptorInfo objects with GlobalFileDescriptors.
      * This includes the IPC channel, the crash dump signals and resource related