Tune web page background fetching

chrome/browser/android/offline_pages/prerendering_loader.cc

Index: chrome/browser/android/offline_pages/prerendering_loader.cc
diff --git a/chrome/browser/android/offline_pages/prerendering_loader.cc b/chrome/browser/android/offline_pages/prerendering_loader.cc
index a3607b7938b1da9fe22c6b9a9a883af083ba24cc..b24787e5fceb5cd32cf124e4e3ba138aff17d069 100644
--- a/chrome/browser/android/offline_pages/prerendering_loader.cc
+++ b/chrome/browser/android/offline_pages/prerendering_loader.cc
@@ -15,6 +15,12 @@
 #include "net/base/network_change_notifier.h"
 #include "ui/gfx/geometry/size.h"
 
+namespace {
+long kOfflinePageDclDelayMilliseconds = 25000;

[dougarnett, 2016/10/26 23:23:26]

Milliseconds => Ms ? 

[recent_tab_helper and snapshot_controller use the "Ms" naming]

[Pete Williamson, 2016/10/28 00:39:44]

Done.

+long kOfflinePageOnloadDelayMilliseconds = 2000;
+}  // namespace
+
+
 namespace offline_pages {
 
 
@@ -82,7 +88,9 @@ bool PrerenderingLoader::LoadPage(const GURL& url,
 
   DCHECK(adapter_->IsActive());
   snapshot_controller_.reset(
-      new SnapshotController(base::ThreadTaskRunnerHandle::Get(), this));
+      new SnapshotController(base::ThreadTaskRunnerHandle::Get(), this,
+                             kOfflinePageDclDelayMilliseconds,
+                             kOfflinePageOnloadDelayMilliseconds));
   callback_ = callback;
   session_contents_.swap(new_web_contents);
   state_ = State::LOADING;