[Checkstyle] Fix misc style issues in Java files.

android_webview/java/src/org/chromium/android_webview/AwContents.java

 // Copyright 2012 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.android_webview;
 
 import android.annotation.SuppressLint;
 import android.app.Activity;
 import android.content.ComponentCallbacks2;
 import android.content.Context;
@@ skipping 842 matching lines @@
         }
         onSizeChanged(mContainerView.getWidth(), mContainerView.getHeight(), 0, 0);
         if (wasWindowVisible) setWindowVisibilityInternal(true);
         if (wasViewVisible) setViewVisibilityInternal(true);
         if (wasWindowFocused) onWindowFocusChanged(wasWindowFocused);
         if (wasFocused) onFocusChanged(true, 0, null);
 
         // Restore injected JavaScript interfaces.
         for (Map.Entry<String, Pair<Object, Class>> entry : javascriptInterfaces.entrySet()) {
             @SuppressWarnings("unchecked")
-            Class<? extends Annotation> requiredAnnotation = (Class<? extends Annotation>)
-                    entry.getValue().second;
+            Class<? extends Annotation> requiredAnnotation = entry.getValue().second;
             mContentViewCore.addPossiblyUnsafeJavascriptInterface(
                     entry.getValue().first,
                     entry.getKey(),
                     requiredAnnotation);
         }
     }
 
     /**
      * Destroys this object and deletes its native counterpart.
      */
@@ skipping 744 matching lines @@
         return mPageScaleFactor;
     }
 
     /**
      * @see android.webkit.WebView#getScale()
      *
      * Please note that the scale returned is the page scale multiplied by
      * the screen density factor. See CTS WebViewTest.testSetInitialScale.
      */
     public float getScale() {
-        return (float)(mPageScaleFactor * mDIPScale);
+        return (float) (mPageScaleFactor * mDIPScale);
     }
 
     /**
      * @see android.webkit.WebView#flingScroll(int, int)
      */
     public void flingScroll(int velocityX, int velocityY) {
         mScrollOffsetManager.flingScroll(velocityX, velocityY);
     }
 
     /**
@@ skipping 527 matching lines @@
                 mMinPageScaleFactor == minPageScaleFactor &&
                 mMaxPageScaleFactor == maxPageScaleFactor) {
             return;
         }
         mMinPageScaleFactor = minPageScaleFactor;
         mMaxPageScaleFactor = maxPageScaleFactor;
         if (mPageScaleFactor != pageScaleFactor) {
             float oldPageScaleFactor = mPageScaleFactor;
             mPageScaleFactor = pageScaleFactor;
             mContentsClient.getCallbackHelper().postOnScaleChangedScaled(
-                    (float)(oldPageScaleFactor * mDIPScale),
-                    (float)(mPageScaleFactor * mDIPScale));
+                    (float) (oldPageScaleFactor * mDIPScale),
+                    (float) (mPageScaleFactor * mDIPScale));
         }
     }
 
     private void saveWebArchiveInternal(String path, final ValueCallback<String> callback) {
         if (path == null || isDestroyed()) {
             ThreadUtils.runOnUiThread(new Runnable() {
                 @Override
                 public void run() {
                     callback.onReceiveValue(null);
                 }
@@ skipping 358 matching lines @@
 
     private native void nativeSetJsOnlineProperty(long nativeAwContents, boolean networkUp);
 
     private native void nativeTrimMemory(long nativeAwContents, int level, boolean visible);
 
     private native void nativeCreatePdfExporter(long nativeAwContents, AwPdfExporter awPdfExporter);
 
     private native void nativePreauthorizePermission(long nativeAwContents, String origin,
             long resources);
 }