Add chrome-search: access from Instant overlay

chrome/browser/ui/webui/favicon_source.cc

 // Copyright (c) 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.
 
 #include "chrome/browser/ui/webui/favicon_source.h"
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/strings/string_number_conversions.h"
 #include "chrome/browser/favicon/favicon_service_factory.h"
 #include "chrome/browser/history/top_sites.h"
+#include "chrome/browser/instant/instant_io_context.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/common/url_constants.h"
 #include "grit/locale_settings.h"
 #include "grit/ui_resources.h"
+#include "net/url_request/url_request.h"
 #include "ui/base/l10n/l10n_util.h"
 #include "ui/base/layout.h"
 #include "ui/base/resource/resource_bundle.h"
 #include "ui/webui/web_ui_util.h"
 
 namespace {
 
 // Parameters which can be used in chrome://favicon path. See .h file for a
 // description of what each does.
 const char kIconURLParameter[] = "iconurl/";
@@ skipping 183 matching lines @@
   // drag the image they get no extension.
   return "image/png";
 }
 
 bool FaviconSource::ShouldReplaceExistingSource() const {
   // Leave the existing DataSource in place, otherwise we'll drop any pending
   // requests on the floor.
   return false;
 }
 
+bool FaviconSource::ShouldServiceRequest(const net::URLRequest* request) const {
+  if (request->url().SchemeIs(chrome::kChromeSearchScheme))
+    return InstantIOContext::ShouldServiceRequest(request);
+  return URLDataSource::ShouldServiceRequest(request);
+}
+
 bool FaviconSource::HandleMissingResource(const IconRequest& request) {
   // No additional checks to locate the favicon resource in the base
   // implementation.
   return false;
 }
 
 void FaviconSource::OnFaviconDataAvailable(
     const IconRequest& request,
     const history::FaviconBitmapResult& bitmap_result) {
   if (bitmap_result.is_valid()) {
@@ skipping 33 matching lines @@
 
   if (!default_favicon) {
     ui::ScaleFactor scale_factor = icon_request.scale_factor;
     default_favicon = ResourceBundle::GetSharedInstance()
         .LoadDataResourceBytesForScale(resource_id, scale_factor);
     default_favicons_[favicon_index] = default_favicon;
   }
 
   icon_request.callback.Run(default_favicon);
 }