Forward MIME types to BrowserPlugin when a viewer is specified.

content/public/browser/resource_dispatcher_host_delegate.cc

Index: content/public/browser/resource_dispatcher_host_delegate.cc
diff --git a/content/public/browser/resource_dispatcher_host_delegate.cc b/content/public/browser/resource_dispatcher_host_delegate.cc
index ccd358f436f40c16cfe3b5dd8b092bfefee2ccad..48a6b85204e453c396265818dad538b08221c587 100644
--- a/content/public/browser/resource_dispatcher_host_delegate.cc
+++ b/content/public/browser/resource_dispatcher_host_delegate.cc
@@ -65,7 +65,9 @@ bool ResourceDispatcherHostDelegate::ShouldInterceptResourceAsStream(
     const GURL& url,
     const std::string& mime_type,
     GURL* origin,
-    std::string* target_id) {
+    std::string* target_id,
+    std::string* payload,
+    std::string* view_id) {
   return false;
 }
 
@@ -74,6 +76,7 @@ void ResourceDispatcherHostDelegate::OnStreamCreated(
     int render_process_id,
     int render_view_id,
     const std::string& target_id,
+    const std::string& view_id,
     scoped_ptr<StreamHandle> stream,
     int64 expected_content_size) {
 }