Use uint64_t instead of size_t inside the web cache manager code.

chrome/browser/renderer_host/chrome_render_message_filter.cc

Index: chrome/browser/renderer_host/chrome_render_message_filter.cc
diff --git a/chrome/browser/renderer_host/chrome_render_message_filter.cc b/chrome/browser/renderer_host/chrome_render_message_filter.cc
index 056d6a8a6654e1fb3d4865dcb91fa1cb1c6cdc4d..1a48364b54c7839d39063d124d3d35240d9f2a58 100644
--- a/chrome/browser/renderer_host/chrome_render_message_filter.cc
+++ b/chrome/browser/renderer_host/chrome_render_message_filter.cc
@@ -39,7 +39,6 @@
 #endif
 
 using content::BrowserThread;
-using blink::WebCache;
 
 namespace {
 
@@ -130,9 +129,14 @@ void ChromeRenderMessageFilter::OnPreconnect(const GURL& url,
 }
 
 void ChromeRenderMessageFilter::OnUpdatedCacheStats(
-    const WebCache::UsageStats& stats) {
+    uint64_t min_dead_capacity,
+    uint64_t max_dead_capacity,
+    uint64_t capacity,
+    uint64_t live_size,
+    uint64_t dead_size) {
   web_cache::WebCacheManager::GetInstance()->ObserveStats(
-      render_process_id_, stats);
+      render_process_id_, min_dead_capacity, max_dead_capacity, capacity,
+      live_size, dead_size);
 }
 
 void ChromeRenderMessageFilter::OnAllowDatabase(