Android: Add Size class.

webrtc/api/java/android/org/webrtc/CameraEnumerator.java

Index: webrtc/api/java/android/org/webrtc/CameraEnumerator.java
diff --git a/webrtc/api/java/android/org/webrtc/CameraEnumerator.java b/webrtc/api/java/android/org/webrtc/CameraEnumerator.java
index 90d9487ba3ccfa91facc8ccb7880d19d5b2f4a5d..efe3df2b613a9e9d9a22bba0fdd8588bc4f04ec7 100644
--- a/webrtc/api/java/android/org/webrtc/CameraEnumerator.java
+++ b/webrtc/api/java/android/org/webrtc/CameraEnumerator.java
@@ -79,6 +79,16 @@ public class CameraEnumerator {
     return formatList;
   }
 
+  // Convert from android.hardware.Camera.Size to CaptureFormat.Size.
+  public static List<CaptureFormat.Size> convertSizes(
+      List<android.hardware.Camera.Size> cameraSizes) {
+    final List<CaptureFormat.Size> sizes = new ArrayList<CaptureFormat.Size>();
+    for (android.hardware.Camera.Size size : cameraSizes) {
+      sizes.add(new CaptureFormat.Size(size.width, size.height));
+    }
+    return sizes;
+  }
+
   // Convert from int[2] to CaptureFormat.FramerateRange.
   public static List<CaptureFormat.FramerateRange> convertFramerates(
       List<int[]> arrayRanges) {