Added prerendering to omnibox.

chrome/browser/autocomplete/autocomplete_edit.cc

Index: chrome/browser/autocomplete/autocomplete_edit.cc
diff --git a/chrome/browser/autocomplete/autocomplete_edit.cc b/chrome/browser/autocomplete/autocomplete_edit.cc
index eb6c6a72b782779372fb4ea3fb45d43dfe1b4950..7f37bcd34e70e2b7f737947df70115b36f37185f 100644
--- a/chrome/browser/autocomplete/autocomplete_edit.cc
+++ b/chrome/browser/autocomplete/autocomplete_edit.cc
@@ -7,6 +7,7 @@
 #include <string>
 
 #include "base/basictypes.h"
+#include "base/command_line.h"
 #include "base/metrics/histogram.h"
 #include "base/string_util.h"
 #include "base/utf_string_conversions.h"
@@ -23,6 +24,7 @@
 #include "chrome/browser/instant/instant_controller.h"
 #include "chrome/browser/net/predictor_api.h"
 #include "chrome/browser/net/url_fixer_upper.h"
+#include "chrome/browser/prerender/prerender_manager.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/search_engines/template_url.h"
 #include "chrome/browser/search_engines/template_url_service.h"
@@ -30,6 +32,7 @@
 #include "chrome/browser/ui/browser_list.h"
 #include "chrome/browser/ui/omnibox/omnibox_view.h"
 #include "chrome/browser/ui/tab_contents/tab_contents_wrapper.h"
+#include "chrome/common/chrome_switches.h"
 #include "chrome/common/url_constants.h"
 #include "content/browser/user_metrics.h"
 #include "content/common/notification_service.h"
@@ -222,13 +225,26 @@ void AutocompleteEditModel::OnChanged() {
         // case we don't want to load a preview.
         instant->DestroyPreviewContentsAndLeaveActive();
       } else {
-        instant->Update(tab, CurrentMatch(), view_->GetText(),
+        instant->Update(tab, current_match, view_->GetText(),
                         UseVerbatimInstant(), &suggested_text);
       }
     } else {
       instant->DestroyPreviewContents();
     }
     might_support_instant = instant->MightSupportInstant();
+  } else if (tab && tab->tab_contents()) {

[sky, 2011/06/20 19:29:24]

Combine your ifs. Also, I believe you only want to do this if update_instant_ is
true. We should rename update_instant_ to something like in_revert_.

[dominich, 2011/06/20 20:48:40]

Done.

+    if (user_input_in_progress() && popup_->IsOpen()) {
+      // Start Prerender of this page instead.
+      CommandLine* cl = CommandLine::ForCurrentProcess();
+      if (cl->HasSwitch(switches::kPrerenderFromOmnibox)) {
+        prerender::PrerenderManager* prerender_manager =
+            tab->tab_contents()->profile()->GetPrerenderManager();
+        if (prerender_manager) {
+          prerender_manager->AddPrerenderWithNoTag(
+              CurrentMatch().destination_url);
+        }
+      }
+    }
   }
 
   if (!might_support_instant) {