A temporary experiment to try to solve the autofill perf regression.

The goal is to see if registering a listener on the body of a document causes any perf regression.



Review URL: http://codereview.chromium.org/9724

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@5062 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 18 insertions, 0 deletions

diff --git a/webkit/glue/webframeloaderclient_impl.cc b/webkit/glue/webframeloaderclient_impl.cc
index 6c50037..3213bbf 100644
--- a/webkit/glue/webframeloaderclient_impl.cc
+++ b/webkit/glue/webframeloaderclient_impl.cc
@@ -14,6 +14,7 @@ MSVC_PUSH_WARNING_LEVEL(0);
 #include "Document.h"
 #include "DocumentLoader.h"
 #include "Element.h"
+#include "EventNames.h"
 #include "HistoryItem.h"
 #include "HTMLFormElement.h"  // needed by FormState.h
 #include "HTMLFormControlElement.h"
@@ -335,6 +336,11 @@ void WebFrameLoaderClient::dispatchDidFailLoading(DocumentLoader* loader,
   }
 }
 
+class TestBodyEventListener : public WebCore::EventListener {
+  virtual void handleEvent(Event* event, bool isWindowEvent) {
+  }
+};
+
 void WebFrameLoaderClient::dispatchDidFinishDocumentLoad() {
   WebViewImpl* webview = webframe_->webview_impl();
   WebViewDelegate* d = webview->delegate();
@@ -343,6 +349,18 @@ void WebFrameLoaderClient::dispatchDidFinishDocumentLoad() {
   PassRefPtr<WebCore::HTMLCollection> forms =
       webframe_->frame()->document()->forms();
 
+
+  // This is a temporary test to assess the performance impact of a body
+  // listener on the perf tests.
+  HTMLElement* body =  webframe_->frame()->document()->body();
+  TestBodyEventListener* body_listener = new TestBodyEventListener();
+  body->addEventListener(WebCore::EventNames::DOMFocusOutEvent,
+                         body_listener,
+                         false);
+  body->addEventListener(WebCore::EventNames::inputEvent,
+                         body_listener,
+                         false);
+
   std::vector<PasswordForm> actions;
   unsigned int form_count = forms->length();
   for (unsigned int i = 0; i < form_count; ++i) {