Fixed Compilation Warnings from Aw 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 810 matching lines @@
             postInvalidateOnAnimation();
         }
         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;
             mContentViewCore.addPossiblyUnsafeJavascriptInterface(
                     entry.getValue().first,
                     entry.getKey(),
-                    entry.getValue().second);
+                    requiredAnnotation);
         }
     }
 
     /**
      * Deletes the native counterpart of this object.
      */
     public void destroy() {
         if (mCleanupReference != null) {
             assert mNativeAwContents != 0;
             // If we are attached, we have to call native detach to clean up
@@ skipping 1639 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);
 }