[android_webview] Don't intercept resource and asset URLRequests.

android_webview/browser/net/fallback_protocol_handler.cc

+// Copyright 2013 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.
+
+#include "android_webview/browser/net/fallback_protocol_handler.h"
+
+using net::URLRequestJobFactory;
+
+namespace android_webview {
+
+namespace {
+
+typedef std::vector<net::URLRequestJobFactory::ProtocolHandler*>
+    ProtocolHandlerVector;
+
+} // namespace
+
+FallbackProtocolHandler::FallbackProtocolHandler(
+    ProtocolHandlerVector* handlers,
+    scoped_ptr<URLRequestJobFactory::ProtocolHandler> fallback_handler)
+    : fallback_handler_(fallback_handler.Pass()) {
+  handlers_.swap(*handlers);
+}
+
+FallbackProtocolHandler::~FallbackProtocolHandler() {}
+
+net::URLRequestJob* FallbackProtocolHandler::MaybeCreateJob(
+    net::URLRequest* request,
+    net::NetworkDelegate* network_delegate) const {
+
+  for (ProtocolHandlerVector::iterator i = handlers_.begin();
+       i != handlers_end();
+       ++i) {
+    net::URLRequestJob* job = i->MaybeCreateJob(request, network_delegate);
+    if (job)
+      return job;
+  }
+
+  return fallback_handler_->MaybeCreateJob(request, network_delegate);
+}
+
+} // namespace android_webview