Set camera parameters continuous focus mode on

media/base/android/java/src/org/chromium/media/VideoCaptureCamera.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.SurfaceTexture;
 import android.opengl.GLES20;
 import android.util.Log;
@@ skipping 152 matching lines @@
             parameters.setVideoStabilization(true);
         } else {
             Log.d(TAG, "Image stabilization not supported.");
         }
 
         setCaptureParameters(matchedWidth, matchedHeight, chosenFrameRate, parameters);
         parameters.setPictureSize(matchedWidth, matchedHeight);
         parameters.setPreviewSize(matchedWidth, matchedHeight);
         parameters.setPreviewFpsRange(chosenFpsRange[0], chosenFpsRange[1]);
         parameters.setPreviewFormat(mCaptureFormat.mPixelFormat);
+        parameters.setFocusMode(android.hardware.Camera.Parameters.FOCUS_MODE_CONTINUOUS_VIDEO);
         try {
             mCamera.setParameters(parameters);
         } catch (RuntimeException ex) {
             Log.e(TAG, "setParameters: " + ex);
             return false;
         }
 
         // Set SurfaceTexture. Android Capture needs a SurfaceTexture even if
         // it is not going to be used.
         mGlTextures = new int[1];
@@ skipping 119 matching lines @@
                     break;
                 case Surface.ROTATION_0:
                 default:
                     orientation = 0;
                     break;
             }
         }
         return orientation;
     }
 }