Instant: Rename 'preview' to 'overlay'

chrome/browser/ui/cocoa/tab_contents/instant_overlay_controller_mac.mm

Index: chrome/browser/ui/cocoa/tab_contents/instant_overlay_controller_mac.mm
diff --git a/chrome/browser/ui/cocoa/tab_contents/instant_preview_controller_mac.mm b/chrome/browser/ui/cocoa/tab_contents/instant_overlay_controller_mac.mm
similarity index 57%
rename from chrome/browser/ui/cocoa/tab_contents/instant_preview_controller_mac.mm
rename to chrome/browser/ui/cocoa/tab_contents/instant_overlay_controller_mac.mm
index 356178d7bc8f3172490f75a2292cb3e59249b54d..059b05d14a47acbdbf8b6885e55bb4daee8304b4 100644
--- a/chrome/browser/ui/cocoa/tab_contents/instant_preview_controller_mac.mm
+++ b/chrome/browser/ui/cocoa/tab_contents/instant_overlay_controller_mac.mm
@@ -2,43 +2,42 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "chrome/browser/ui/cocoa/tab_contents/instant_preview_controller_mac.h"
-
-#include "chrome/browser/instant/instant_model.h"
+#include "chrome/browser/ui/cocoa/tab_contents/instant_overlay_controller_mac.h"
+#include "chrome/browser/instant/instant_overlay_model.h"
 #include "chrome/browser/ui/browser.h"
 #import "chrome/browser/ui/cocoa/browser_window_controller.h"
-#import "chrome/browser/ui/cocoa/tab_contents/previewable_contents_controller.h"
+#import "chrome/browser/ui/cocoa/tab_contents/overlayable_contents_controller.h"
 
-InstantPreviewControllerMac::InstantPreviewControllerMac(
+InstantOverlayControllerMac::InstantOverlayControllerMac(
     Browser* browser,
     BrowserWindowController* window,
-    PreviewableContentsController* preview)
-    : InstantPreviewController(browser),
+    OverlayableContentsController* overlay)
+    : InstantOverlayController(browser),
       window_(window),
-      preview_(preview) {
+      overlay_(overlay) {
 }
 
-InstantPreviewControllerMac::~InstantPreviewControllerMac() {
+InstantOverlayControllerMac::~InstantOverlayControllerMac() {
 }
 
-void InstantPreviewControllerMac::PreviewStateChanged(
-    const InstantModel& model) {
+void InstantOverlayControllerMac::OverlayStateChanged(
+    const InstantOverlayModel& model) {
   if (model.mode().is_ntp() || model.mode().is_search_suggestions()) {
-    // Drop shadow is only needed if search mode is not |NTP| and preview does
+    // Drop shadow is only needed if search mode is not |NTP| and overlay does
     // not fill up the entire contents page.
     BOOL drawDropShadow = !model.mode().is_ntp() &&
         !(model.height() == 100 &&
           model.height_units() == INSTANT_SIZE_PERCENT);
-    [preview_ setPreview:model.GetPreviewContents()
+    [overlay_ setOverlay:model.GetOverlayContents()
                   height:model.height()
              heightUnits:model.height_units()
           drawDropShadow:drawDropShadow];
   } else {
-    [preview_ setPreview:NULL
+    [overlay_ setOverlay:NULL
                   height:0
              heightUnits:INSTANT_SIZE_PIXELS
           drawDropShadow:NO];
   }
-  browser_->MaybeUpdateBookmarkBarStateForInstantPreview(model.mode());
-  [window_ updateBookmarkBarStateForInstantPreview];
+  browser_->MaybeUpdateBookmarkBarStateForInstantOverlay(model.mode());
+  [window_ updateBookmarkBarStateForInstantOverlay];
 }