Reports Prerender and Profile Total Bytes

chrome/browser/prerender/prerender_manager.cc

Index: chrome/browser/prerender/prerender_manager.cc
diff --git a/chrome/browser/prerender/prerender_manager.cc b/chrome/browser/prerender/prerender_manager.cc
index bee549a950864481555ff56c6b7e9385a3053c21..09b5667a0603bacb3d44d03fac6871be2af69d68 100644
--- a/chrome/browser/prerender/prerender_manager.cc
+++ b/chrome/browser/prerender/prerender_manager.cc
@@ -241,7 +241,8 @@ PrerenderManager::PrerenderManager(Profile* profile,
       last_prerender_start_time_(GetCurrentTimeTicks() -
           base::TimeDelta::FromMilliseconds(kMinTimeBetweenPrerendersMs)),
       prerender_history_(new PrerenderHistory(kHistoryLength)),
-      histograms_(new PrerenderHistograms()) {
+      histograms_(new PrerenderHistograms()),
+      profile_network_bytes_(0) {
   // There are some assumptions that the PrerenderManager is on the UI thread.
   // Any other checks simply make sure that the PrerenderManager is accessed on
   // the same thread that it was created on.
@@ -1767,4 +1768,14 @@ void PrerenderManager::HangSessionStorageMergesForTesting() {
   g_hang_session_storage_merges_for_testing = true;
 }
 
+void PrerenderManager::RecordBytes(bool used, int64 prerender_bytes) {
+  if (ActuallyPrerendering())
+    histograms_->RecordBytes(used, prerender_bytes, profile_network_bytes_);
+}
+
+void PrerenderManager::AddProfileNetworkBytesIfEnabled(int64 bytes) {
+  if (IsEnabled() && ActuallyPrerendering())
+    profile_network_bytes_ += bytes;
+}
+
 }  // namespace prerender