Instant: Rename 'preview' to 'overlay'

chrome/browser/instant/instant_overlay_controller.cc

Index: chrome/browser/instant/instant_overlay_controller.cc
diff --git a/chrome/browser/instant/instant_preview_controller.cc b/chrome/browser/instant/instant_overlay_controller.cc
similarity index 74%
rename from chrome/browser/instant/instant_preview_controller.cc
rename to chrome/browser/instant/instant_overlay_controller.cc
index a728fc81abd1077753120cf25a3a17d12b9f10d0..2ecaff9a51dc7aa1d6f33e3d6ff943ba09fb3216 100644
--- a/chrome/browser/instant/instant_preview_controller.cc
+++ b/chrome/browser/instant/instant_overlay_controller.cc
@@ -2,18 +2,18 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "chrome/browser/instant/instant_preview_controller.h"
+#include "chrome/browser/instant/instant_overlay_controller.h"
 
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/browser_instant_controller.h"
 
-InstantPreviewController::InstantPreviewController(Browser* browser)
+InstantOverlayController::InstantOverlayController(Browser* browser)
     : browser_(browser) {
   if (browser_->instant_controller())
     browser_->instant_controller()->instant()->model()->AddObserver(this);
 }
 
-InstantPreviewController::~InstantPreviewController() {
+InstantOverlayController::~InstantOverlayController() {
   if (browser_->instant_controller())
     browser_->instant_controller()->instant()->model()->RemoveObserver(this);
 }