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

chrome/renderer/chrome_render_process_observer.cc

Index: chrome/renderer/chrome_render_process_observer.cc
diff --git a/chrome/renderer/chrome_render_process_observer.cc b/chrome/renderer/chrome_render_process_observer.cc
index 7df719757a38824c4f279035e2e58790d665006f..c782107ee0e36de5c32b31d22119ff6ecbb49641 100644
--- a/chrome/renderer/chrome_render_process_observer.cc
+++ b/chrome/renderer/chrome_render_process_observer.cc
@@ -56,7 +56,7 @@ using content::RenderThread;
 
 namespace {
 
-static const unsigned int kCacheStatsDelayMS = 2000 /* milliseconds */;
+static const int kCacheStatsDelayMS = 2000;
 
 class RendererResourceDelegate : public content::ResourceDispatcherDelegate {
  public:
@@ -75,7 +75,7 @@ class RendererResourceDelegate : public content::ResourceDispatcherDelegate {
          FROM_HERE,
          base::Bind(&RendererResourceDelegate::InformHostOfCacheStats,
                     weak_factory_.GetWeakPtr()),
-         kCacheStatsDelayMS);
+         base::TimeDelta::FromMilliseconds(kCacheStatsDelayMS));
     }
 
     if (status.status() != net::URLRequestStatus::CANCELED ||