alternate ntp (cros/partial-win): add tab-related stuff and toolbar/tab background change

chrome/browser/ui/views/tabs/tab_strip.cc

Index: chrome/browser/ui/views/tabs/tab_strip.cc
diff --git a/chrome/browser/ui/views/tabs/tab_strip.cc b/chrome/browser/ui/views/tabs/tab_strip.cc
index b211892762007bf74a859dfe36661d23164d3f08..a049a239da0ed06116bee4f3cdeb1692e6d52c11 100644
--- a/chrome/browser/ui/views/tabs/tab_strip.cc
+++ b/chrome/browser/ui/views/tabs/tab_strip.cc
@@ -553,8 +553,10 @@ const char TabStrip::kViewClassName[] = "TabStrip";
 // static
 const int TabStrip::kMiniToNonMiniGap = 3;
 
-TabStrip::TabStrip(TabStripController* controller)
+TabStrip::TabStrip(TabStripController* controller,
+                   bool instant_extended_api_enabled)
     : controller_(controller),
+      instant_extended_api_enabled_(instant_extended_api_enabled),
       newtab_button_(NULL),
       current_unselected_width_(Tab::GetStandardSize().width()),
       current_selected_width_(Tab::GetStandardSize().width()),
@@ -1109,6 +1111,10 @@ bool TabStrip::ShouldPaintTab(const BaseTab* tab, gfx::Rect* clip) {
   return true;
 }
 
+bool TabStrip::IsInstantExtendedAPIEnabled() {
+  return instant_extended_api_enabled_;
+}
+
 void TabStrip::MouseMovedOutOfHost() {
   ResizeLayoutTabs();
 }