Android Video Capture: Removed references to Android.Hardware.Camera from the factory and cleanup

media/base/android/java/src/org/chromium/media/VideoCaptureAndroid.java

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 package org.chromium.media;
 
 import android.content.Context;
 import android.graphics.ImageFormat;
 import android.util.Log;
 
@@ skipping 61 matching lines @@
                 }
             }
             return ImageFormat.YV12;
         }
     }
 
     private int mExpectedFrameSize;
     private static final int NUM_CAPTURE_BUFFERS = 3;
     private static final String TAG = "VideoCaptureAndroid";
 
+    static int getNumberOfCameras() {
+        return android.hardware.Camera.getNumberOfCameras();
+    }
+
+    static String getName(int id) {
+        android.hardware.Camera.CameraInfo cameraInfo = VideoCapture.getCameraInfo(id);
+        return "camera " + id + ", facing " + (cameraInfo.facing ==
+                android.hardware.Camera.CameraInfo.CAMERA_FACING_FRONT ? "front" : "back");
+    }
+
     static CaptureFormat[] getDeviceSupportedFormats(int id) {
         android.hardware.Camera camera;
         try {
              camera = android.hardware.Camera.open(id);
         } catch (RuntimeException ex) {
             Log.e(TAG, "Camera.open: " + ex);
             return null;
         }
         android.hardware.Camera.Parameters parameters = getCameraParameters(camera);
         if (parameters == null) {
@@ skipping 106 matching lines @@
             mPreviewBufferLock.unlock();
             if (camera != null) {
                 camera.addCallbackBuffer(data);
             }
         }
     }
 
     // TODO(wjia): investigate whether reading from texture could give better
     // performance and frame rate, using onFrameAvailable().
 }