Convert use of int ms to TimeDelta in files owned by brettw.

content/renderer/load_progress_tracker.cc

Index: content/renderer/load_progress_tracker.cc
diff --git a/content/renderer/load_progress_tracker.cc b/content/renderer/load_progress_tracker.cc
index cc153f6e8761e2c34b3d1d81481407fb612a2a00..9a462052cc0255208655a2559d773b2a05d30283 100644
--- a/content/renderer/load_progress_tracker.cc
+++ b/content/renderer/load_progress_tracker.cc
@@ -51,9 +51,11 @@ void LoadProgressTracker::DidChangeLoadProgress(WebKit::WebFrame* frame,
   // last updates.  Also, since the message loop may be pretty busy when a page
   // is loaded, it might not execute a posted task in a timely manner so we make
   // sure to immediately send progress report if enough time has passed.
+  base::TimeDelta min_delay =
+      base::TimeDelta::FromMilliseconds(kMinimumDelayBetweenUpdatesMS);
   if (progress == 1.0 || last_time_progress_sent_.is_null() ||
-      (base::TimeTicks::Now() -  last_time_progress_sent_).InMilliseconds() >
-          kMinimumDelayBetweenUpdatesMS) {
+      base::TimeTicks::Now() - last_time_progress_sent_ >
+      min_delay) {
     // If there is a pending task to send progress, it is now obsolete.
     weak_factory_.InvalidateWeakPtrs();
     SendChangeLoadProgress();
@@ -69,7 +71,7 @@ void LoadProgressTracker::DidChangeLoadProgress(WebKit::WebFrame* frame,
       FROM_HERE,
       base::Bind(&LoadProgressTracker::SendChangeLoadProgress,
                  weak_factory_.GetWeakPtr()),
-      kMinimumDelayBetweenUpdatesMS);
+      min_delay);
 }
 
 void LoadProgressTracker::SendChangeLoadProgress() {