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

chrome/browser/task_manager/task_manager.cc

Index: chrome/browser/task_manager/task_manager.cc
diff --git a/chrome/browser/task_manager/task_manager.cc b/chrome/browser/task_manager/task_manager.cc
index 8a801b7686e1e4345987051444ba6be7a8275bec..36bf39703c506e343923f3e3c4fe2932b1ca02bc 100644
--- a/chrome/browser/task_manager/task_manager.cc
+++ b/chrome/browser/task_manager/task_manager.cc
@@ -627,8 +627,9 @@ void TaskManagerModel::StartUpdating() {
   // it to TASK_PENDING ensures the tasks keep being posted (by Refresh()).
   if (update_state_ == IDLE) {
       MessageLoop::current()->PostDelayedTask(
-          FROM_HERE, base::Bind(&TaskManagerModel::Refresh, this),
-          kUpdateTimeMs);
+          FROM_HERE,
+          base::Bind(&TaskManagerModel::Refresh, this),
+          base::TimeDelta::FromMilliseconds(kUpdateTimeMs));
   }
   update_state_ = TASK_PENDING;
 
@@ -870,14 +871,16 @@ void TaskManagerModel::Refresh() {
 
   // Compute the new network usage values.
   displayed_network_usage_map_.clear();
+  base::TimeDelta update_time =
+      base::TimeDelta::FromMilliseconds(kUpdateTimeMs);
   for (ResourceValueMap::iterator iter = current_byte_count_map_.begin();
        iter != current_byte_count_map_.end(); ++iter) {
-    if (kUpdateTimeMs > 1000) {
-      int divider = (kUpdateTimeMs / 1000);
+    if (update_time > base::TimeDelta::FromSeconds(1)) {
+      int divider = update_time.InSeconds();
       displayed_network_usage_map_[iter->first] = iter->second / divider;
     } else {
       displayed_network_usage_map_[iter->first] = iter->second *
-          (1000 / kUpdateTimeMs);
+          (1 / update_time.InSeconds());
     }
 
     // Then we reset the current byte count.
@@ -897,7 +900,9 @@ void TaskManagerModel::Refresh() {
 
   // Schedule the next update.
   MessageLoop::current()->PostDelayedTask(
-      FROM_HERE, base::Bind(&TaskManagerModel::Refresh, this), kUpdateTimeMs);
+      FROM_HERE,
+      base::Bind(&TaskManagerModel::Refresh, this),
+      base::TimeDelta::FromMilliseconds(kUpdateTimeMs));
 }
 
 int64 TaskManagerModel::GetNetworkUsageForResource(