Rename ChromeThread to BrowserThread Part13:

chrome/browser/cocoa/tabpose_window.mm

Index: chrome/browser/cocoa/tabpose_window.mm
diff --git a/chrome/browser/cocoa/tabpose_window.mm b/chrome/browser/cocoa/tabpose_window.mm
index 68c809cb2c9cde6e73e3186a3e52ec5093db0543..011f10a25d07408514d98645eb47ef2552470de1 100644
--- a/chrome/browser/cocoa/tabpose_window.mm
+++ b/chrome/browser/cocoa/tabpose_window.mm
@@ -105,7 +105,7 @@ class ThumbnailLoader : public base::RefCountedThreadSafe<ThumbnailLoader> {
   }
 
   void DidReceiveBitmap(const SkBitmap& bitmap) {
-    DCHECK(ChromeThread::CurrentlyOn(ChromeThread::UI));
+    DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
     ResetPaintingObserver();
     [layer_ setThumbnail:bitmap];
   }
@@ -127,7 +127,7 @@ class ThumbnailLoader : public base::RefCountedThreadSafe<ThumbnailLoader> {
 };
 
 void ThumbnailLoader::LoadThumbnail() {
-  DCHECK(ChromeThread::CurrentlyOn(ChromeThread::UI));
+  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
   ThumbnailGenerator* generator = g_browser_process->GetThumbnailGenerator();
   if (!generator)  // In unit tests.
     return;