InstantExtended: Add js api for custom logo.

chrome/browser/instant/instant_controller.cc

Index: chrome/browser/instant/instant_controller.cc
diff --git a/chrome/browser/instant/instant_controller.cc b/chrome/browser/instant/instant_controller.cc
index 55272bfe0081b6ce2eb431fb14810415a384e6b9..e7e0ec0a6f9af66e51995d745aaf613cca0ce8cd 100644
--- a/chrome/browser/instant/instant_controller.cc
+++ b/chrome/browser/instant/instant_controller.cc
@@ -550,6 +550,14 @@ void InstantController::SetSuggestions(
     Show(100, INSTANT_SIZE_PERCENT);
 }
 
+void InstantController::SetHasCustomLogo(InstantLoader* loader,
+                                         bool has_logo) {
+  if (loader_ != loader || mode_ != EXTENDED)
+    return;
+
+  delegate_->SetHasCustomLogo(has_logo);
+}
+
 void InstantController::CommitInstantLoader(InstantLoader* loader) {
   if (loader_ != loader || !is_showing_ || IsOutOfDate())
     return;