Improve large tab strip by leveraging touch icons when present

content/browser/cancelable_request.h

Index: content/browser/cancelable_request.h
diff --git a/content/browser/cancelable_request.h b/content/browser/cancelable_request.h
index df27cbce26421ede756289a3353571666dca0cb7..18819ede172f7180906722cffbbd54d14c868120 100644
--- a/content/browser/cancelable_request.h
+++ b/content/browser/cancelable_request.h
@@ -244,6 +244,9 @@ class CancelableRequestConsumerTSimple : public CancelableRequestConsumerBase {
   // Cancels all requests outstanding.
   void CancelAllRequests();
 
+  // Cancels all requests outstanding matching the client data.
+  void CancelAllRequestsForClientData(T client_data);
+
   // Returns the handle for the first request that has the specified client data
   // (in |handle|). Returns true if there is a request for the specified client
   // data, false otherwise.
@@ -349,8 +352,9 @@ void CancelableRequestConsumerTSimple<T>::CancelAllRequests() {
   // without acquiring the provider lock (http://crbug.com/85970).
   PendingRequestList copied_requests(pending_requests_);
   for (typename PendingRequestList::iterator i = copied_requests.begin();
-       i != copied_requests.end(); ++i)
+       i != copied_requests.end(); ++i) {
     i->first.provider->CancelRequest(i->first.handle);
+  }
   copied_requests.clear();
 
   // That should have cleared all the pending items.
@@ -358,6 +362,18 @@ void CancelableRequestConsumerTSimple<T>::CancelAllRequests() {
 }
 
 template<class T>
+void CancelableRequestConsumerTSimple<T>::CancelAllRequestsForClientData(
+    T client_data) {
+  PendingRequestList copied_requests(pending_requests_);
+  for (typename PendingRequestList::const_iterator i = copied_requests.begin();
+      i != copied_requests.end(); ++i) {
+    if (i->second == client_data)
+      i->first.provider->CancelRequest(i->first.handle);
+  }
+  copied_requests.clear();
+}
+
+template<class T>
 bool CancelableRequestConsumerTSimple<T>::GetFirstHandleForClientData(
     T client_data,
     CancelableRequestProvider::Handle* handle) {