Convert ChromeViewHostMsg_UpdatedCacheStats to use mojo.

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 b866521f6284232c4374fd6afb6489ec4f8aaa1b..53db27e2c84858f0b63d6cdda6476928a2757ddd 100644
--- a/chrome/browser/renderer_host/chrome_render_message_filter.cc
+++ b/chrome/browser/renderer_host/chrome_render_message_filter.cc
@@ -72,8 +72,6 @@ bool ChromeRenderMessageFilter::OnMessageReceived(const IPC::Message& message) {
     IPC_MESSAGE_HANDLER(NetworkHintsMsg_DNSPrefetch, OnDnsPrefetch)
     IPC_MESSAGE_HANDLER(NetworkHintsMsg_Preconnect, OnPreconnect)
     IPC_MESSAGE_HANDLER(NetworkHintsMsg_NavigationHint, OnNavigationHint)
-    IPC_MESSAGE_HANDLER(ChromeViewHostMsg_UpdatedCacheStats,
-                        OnUpdatedCacheStats)
     IPC_MESSAGE_HANDLER(ChromeViewHostMsg_AllowDatabase, OnAllowDatabase)
     IPC_MESSAGE_HANDLER(ChromeViewHostMsg_AllowDOMStorage, OnAllowDOMStorage)
     IPC_MESSAGE_HANDLER_DELAY_REPLY(
@@ -99,7 +97,6 @@ void ChromeRenderMessageFilter::OverrideThreadForMessage(
 #if BUILDFLAG(ENABLE_PLUGINS)
     case ChromeViewHostMsg_IsCrashReportingEnabled::ID:
 #endif
-    case ChromeViewHostMsg_UpdatedCacheStats::ID:
       *thread = BrowserThread::UI;
       break;
     default:
@@ -140,12 +137,6 @@ void ChromeRenderMessageFilter::OnNavigationHint(
       base::Bind(&DidStartServiceWorkerForNavigationHint));
 }
 
-void ChromeRenderMessageFilter::OnUpdatedCacheStats(uint64_t capacity,
-                                                    uint64_t size) {
-  web_cache::WebCacheManager::GetInstance()->ObserveStats(render_process_id_,
-                                                          capacity, size);
-}
-
 void ChromeRenderMessageFilter::OnAllowDatabase(
     int render_frame_id,
     const GURL& origin_url,