Fix a bunch of Java Checkstyle issues.

content/public/android/java/src/org/chromium/content/browser/ScreenOrientationListener.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.content.browser;
 
 import android.annotation.SuppressLint;
 import android.content.ComponentCallbacks;
 import android.content.Context;
 import android.content.res.Configuration;
@@ skipping 213 matching lines @@
         ThreadUtils.assertOnUiThread();
 
         if (sInstance == null) {
             sInstance = new ScreenOrientationListener();
         }
 
         return sInstance;
     }
 
     private ScreenOrientationListener() {
-        mBackend = Build.VERSION.SDK_INT >= 17 ?
-                new ScreenOrientationDisplayListener() :
-                new ScreenOrientationConfigurationListener();
+        mBackend = Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR1
+                ? new ScreenOrientationDisplayListener()
+                : new ScreenOrientationConfigurationListener();
     }
 
     /**
      * Add |observer| in the ScreenOrientationListener observer list and
      * immediately call |onScreenOrientationChanged| on it with the current
      * orientation value.
      *
      * @param observer The observer that will get notified.
      * @param context The context associated with this observer.
      */
@@ skipping 100 matching lines @@
                 break;
             case Surface.ROTATION_270:
                 mOrientation = -90;
                 break;
             default:
                 throw new IllegalStateException(
                         "Display.getRotation() shouldn't return that value");
         }
     }
 }