Image Capture: two small nits

media/capture/video/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.annotation.TargetApi;
 import android.content.Context;
 import android.graphics.ImageFormat;
 import android.graphics.Rect;
@@ skipping 515 matching lines @@
             jniFocusMode = AndroidMeteringMode.CONTINUOUS;
         } else if (focusMode.equals(android.hardware.Camera.Parameters.FOCUS_MODE_AUTO)
                 || focusMode.equals(android.hardware.Camera.Parameters.FOCUS_MODE_MACRO)) {
             jniFocusMode = AndroidMeteringMode.SINGLE_SHOT;
         } else if (focusMode.equals(android.hardware.Camera.Parameters.FOCUS_MODE_INFINITY)
                 || focusMode.equals(android.hardware.Camera.Parameters.FOCUS_MODE_FIXED)) {
             jniFocusMode = AndroidMeteringMode.FIXED;
         }
         builder.setFocusMode(jniFocusMode);
 
-        // Auto Exposure is the usual capability and state, unless AE is not available at all, which
-        // is signalled by the absence of Metering Areas. Exposure Compensation can also support or
-        // be locked, this is equivalent to AndroidMeteringMode.FIXED.
+        // Auto Exposure is understood to be supported always; besides that, only "locked"
+        // (equivalent to AndroidMeteringMode.FIXED) may be supported and/or configured.
         ArrayList<Integer> jniExposureModes = new ArrayList<Integer>(2);
-        if (parameters.getMaxNumMeteringAreas() > 0) {
-            jniExposureModes.add(AndroidMeteringMode.CONTINUOUS);
-        }
+        jniExposureModes.add(AndroidMeteringMode.CONTINUOUS);
         if (parameters.isAutoExposureLockSupported()) {
             jniExposureModes.add(AndroidMeteringMode.FIXED);
         }
         builder.setExposureModes(integerArrayListToArray(jniExposureModes));
 
         int jniExposureMode = AndroidMeteringMode.CONTINUOUS;
         if (parameters.isAutoExposureLockSupported() && parameters.getAutoExposureLock()) {
             jniExposureMode = AndroidMeteringMode.FIXED;
         }
         builder.setExposureMode(jniExposureMode);
@@ skipping 277 matching lines @@
                         getCameraRotation());
             }
         } finally {
             mPreviewBufferLock.unlock();
             if (camera != null) {
                 camera.addCallbackBuffer(data);
             }
         }
     }
 }