ui: Cleanup class/struct forward declarations

remoting/android/java/src/org/chromium/chromoting/RenderData.java

Index: remoting/android/java/src/org/chromium/chromoting/RenderData.java
diff --git a/remoting/android/java/src/org/chromium/chromoting/RenderData.java b/remoting/android/java/src/org/chromium/chromoting/RenderData.java
index d8c3ef4bc118ba2ca307106855519d82e7b7b98b..673efa395c46e0be79937b0d88dd1827b4ff17ec 100644
--- a/remoting/android/java/src/org/chromium/chromoting/RenderData.java
+++ b/remoting/android/java/src/org/chromium/chromoting/RenderData.java
@@ -57,4 +57,13 @@ public class RenderData {
 
         return cursorMoved;
     }
+
+    /**
+     * Indicates whether all information required to render the canvas has been set.
+     *
+     * @return True if both screen and image dimensions have been set.
+     */
+    public boolean initialized() {
+        return imageWidth != 0 && imageHeight != 0 && screenWidth != 0 && screenHeight != 0;
+    }
 }