Allow dynamic switching in and out of sidetabs mode.

chrome/browser/views/frame/browser_frame_gtk.cc

Index: chrome/browser/views/frame/browser_frame_gtk.cc
===================================================================
--- chrome/browser/views/frame/browser_frame_gtk.cc	(revision 41630)
+++ chrome/browser/views/frame/browser_frame_gtk.cc	(working copy)
@@ -102,9 +102,6 @@
   return this;
 }
 
-void BrowserFrameGtk::TabStripCreated(BaseTabStrip* tabstrip) {
-}
-
 int BrowserFrameGtk::GetMinimizeButtonOffset() const {
   NOTIMPLEMENTED();
   return 0;
@@ -139,6 +136,9 @@
 void BrowserFrameGtk::PaintTabStripShadow(gfx::Canvas* canvas) {
 }
 
+void BrowserFrameGtk::TabStripDisplayModeChanged() {
+}
+
 ThemeProvider* BrowserFrameGtk::GetThemeProvider() const {
   return profile_->GetThemeProvider();
 }