Remove TabContents from AddBlankTabAt, kill AddBlankTab.

chrome/browser/ui/browser_tab_strip_model_delegate.cc

Index: chrome/browser/ui/browser_tab_strip_model_delegate.cc
diff --git a/chrome/browser/ui/browser_tab_strip_model_delegate.cc b/chrome/browser/ui/browser_tab_strip_model_delegate.cc
index 26f1f537953e74de27dbb676521c5c5b458701cc..82c28e33cfec7936a814b787b374b0c5f162433a 100644
--- a/chrome/browser/ui/browser_tab_strip_model_delegate.cc
+++ b/chrome/browser/ui/browser_tab_strip_model_delegate.cc
@@ -40,13 +40,8 @@ BrowserTabStripModelDelegate::~BrowserTabStripModelDelegate() {
 ////////////////////////////////////////////////////////////////////////////////
 // BrowserTabStripModelDelegate, TabStripModelDelegate implementation:
 
-TabContents* BrowserTabStripModelDelegate::AddBlankTab(bool foreground) {
-  return chrome::AddBlankTab(browser_, foreground);
-}
-
-TabContents* BrowserTabStripModelDelegate::AddBlankTabAt(int index,
-                                                         bool foreground) {
-  return chrome::AddBlankTabAt(browser_, index, foreground);
+void BrowserTabStripModelDelegate::AddBlankTabAt(int index, bool foreground) {
+  chrome::AddBlankTabAt(browser_, index, foreground);
 }
 
 Browser* BrowserTabStripModelDelegate::CreateNewStripWithContents(