[Android] Upstream WebView.allow{Content|File}Access implementation.

android_webview/browser/aw_contents_io_thread_client.h

Index: android_webview/browser/aw_contents_io_thread_client.h
diff --git a/android_webview/browser/aw_contents_io_thread_client.h b/android_webview/browser/aw_contents_io_thread_client.h
index ac55035fb7894b7508478114ded0eac71c453d07..659be10b67ca15ddc0a978fd0b0dfb705b7e7cd3 100644
--- a/android_webview/browser/aw_contents_io_thread_client.h
+++ b/android_webview/browser/aw_contents_io_thread_client.h
@@ -45,6 +45,14 @@ class AwContentsIoThreadClient {
   virtual scoped_ptr<InterceptedRequestData> ShouldInterceptRequest(
       const net::URLRequest* request) = 0;
 
+  // Retrieve the AllowContentAccess setting value of this AwContents.
+  // This method is called on the IO thread only.
+  virtual bool ShouldBlockContentUrls() const = 0;
+
+  // Retrieve the AllowFileAccess setting value of this AwContents.
+  // This method is called on the IO thread only.
+  virtual bool ShouldBlockFileUrls() const = 0;
+
   // Retrieve the BlockNetworkLoads setting value of this AwContents.
   // This method is called on the IO thread only.
   virtual bool ShouldBlockNetworkLoads() const = 0;