Android: Remove GetApplicationContext part 4

media/capture/video/android/java/src/org/chromium/media/VideoCapture.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.view.Surface;
 import android.view.WindowManager;
 
+import org.chromium.base.ContextUtils;
 import org.chromium.base.annotations.CalledByNative;
 import org.chromium.base.annotations.JNINamespace;
 
 import java.nio.ByteBuffer;
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.Comparator;
 import java.util.List;
 
 /**
  * Video Capture Device base class, defines a set of methods that native code
  * needs to use to configure, start capture, and to be reached by callbacks and
- * provides some neccesary data type(s) with accessors.
+ * provides some necessary data type(s) with accessors.
  **/
 @JNINamespace("media")
 public abstract class VideoCapture {
     /**
      * Common class for storing a framerate range. Values should be multiplied by 1000.
      */
     protected static class FramerateRange {
         public int min;
         public int max;
 
         public FramerateRange(int min, int max) {
             this.min = min;
             this.max = max;
         }
     }
 
     // The angle (0, 90, 180, 270) that the image needs to be rotated to show in
     // the display's native orientation.
     protected int mCameraNativeOrientation;
     // In some occasions we need to invert the device rotation readings, see the
     // individual implementations.
     protected boolean mInvertDeviceOrientationReadings;
 
     protected VideoCaptureFormat mCaptureFormat;
-    protected final Context mContext;
     protected final int mId;
     // Native callback context variable.
     protected final long mNativeVideoCaptureDeviceAndroid;
 
     protected boolean mUseBackgroundThreadForTesting;
 
-    VideoCapture(Context context, int id, long nativeVideoCaptureDeviceAndroid) {
-        mContext = context;
+    VideoCapture(int id, long nativeVideoCaptureDeviceAndroid) {
         mId = id;
         mNativeVideoCaptureDeviceAndroid = nativeVideoCaptureDeviceAndroid;
     }
 
     // Allocate necessary resources for capture.
     @CalledByNative
     public abstract boolean allocate(int width, int height, int frameRate);
 
     @CalledByNative
     public abstract boolean startCapture();
@@ skipping 69 matching lines @@
         mUseBackgroundThreadForTesting = true;
     }
 
     protected final int getCameraRotation() {
         int rotation = mInvertDeviceOrientationReadings ? (360 - getDeviceRotation())
                                                         : getDeviceRotation();
         return (mCameraNativeOrientation + rotation) % 360;
     }
 
     protected final int getDeviceRotation() {
-        if (mContext == null) return 0;
         final int orientation;
-        WindowManager wm = (WindowManager) mContext.getSystemService(Context.WINDOW_SERVICE);
+        WindowManager wm = (WindowManager) ContextUtils.getApplicationContext().getSystemService(
+                Context.WINDOW_SERVICE);
         switch (wm.getDefaultDisplay().getRotation()) {
             case Surface.ROTATION_90:
                 orientation = 90;
                 break;
             case Surface.ROTATION_180:
                 orientation = 180;
                 break;
             case Surface.ROTATION_270:
                 orientation = 270;
                 break;
@@ skipping 71 matching lines @@
     // Method for VideoCapture implementations to signal an asynchronous error.
     public native void nativeOnError(long nativeVideoCaptureDeviceAndroid, String message);
 
     // Method for VideoCapture implementations to send Photos back to.
     public native void nativeOnPhotoTaken(
             long nativeVideoCaptureDeviceAndroid, long callbackId, byte[] data);
 
     // Method for VideoCapture implementations to report device started event.
     public native void nativeOnStarted(long nativeVideoCaptureDeviceAndroid);
 }