[Remoting Android] Make JniClient own JniDisplayHandler

remoting/client/jni/jni_display_handler.h

Index: remoting/client/jni/jni_display_handler.h
diff --git a/remoting/client/jni/jni_display_handler.h b/remoting/client/jni/jni_display_handler.h
index 054fe239af7cb3ede444b447b758ed678d258133..de94f7a06ff295a0576c22f00ef32d0b42c753a6 100644
--- a/remoting/client/jni/jni_display_handler.h
+++ b/remoting/client/jni/jni_display_handler.h
@@ -25,12 +25,13 @@ class JniVideoRenderer;
 // unless otherwise noted.
 class JniDisplayHandler : public DisplayUpdaterFactory {
  public:
-  JniDisplayHandler(ChromotingJniRuntime* runtime,
-                    base::android::ScopedJavaGlobalRef<jobject> java_display);
+  explicit JniDisplayHandler(ChromotingJniRuntime* runtime);
 
   // Must be deleted on the display thread.
   ~JniDisplayHandler() override;
 
+  base::android::ScopedJavaLocalRef<jobject> GetJavaDisplay();
+
   void UpdateCursorShape(const protocol::CursorShapeInfo& cursor_shape);
 
   // DisplayUpdaterFactory overrides (functions can be called on any thread).
@@ -51,10 +52,6 @@ class JniDisplayHandler : public DisplayUpdaterFactory {
 
   static bool RegisterJni(JNIEnv* env);
 
-  // Deletes this object on display thread. Can be called on any thread.
-  void Destroy(JNIEnv* env,
-               const base::android::JavaParamRef<jobject>& caller);
-
   // Schedule redraw. Can be called on any thread.
   void ScheduleRedraw(JNIEnv* env,
                       const base::android::JavaParamRef<jobject>& caller);