Fixing ESC in instant-extended.

chrome/browser/instant/instant_controller.cc

 // Copyright 2012 The Chromium Authors. All rights reserved.
 // 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_controller.h"
 
 #include "base/command_line.h"
 #include "base/metrics/histogram.h"
 #include "base/string_util.h"
 #include "base/stringprintf.h"
@@ skipping 474 matching lines @@
     return false;
 
   if (instant_tab_)
     instant_tab_->UpOrDownKeyPressed(count);
   else
     loader_->UpOrDownKeyPressed(count);
 
   return true;
 }
 
+bool InstantController::OnCancel() {
+  if (!extended_enabled_)
+    return false;
+
+  if (!instant_tab_ && !loader_)
+    return false;
+
+  if (instant_tab_)
+    instant_tab_->EscKeyPressed();
+  else
+    loader_->EscKeyPressed();
+
+  return true;
+}
+
 content::WebContents* InstantController::GetPreviewContents() const {
   return loader_ ? loader_->contents() : NULL;
 }
 
 bool InstantController::IsPreviewingSearchResults() const {
   return model_.mode().is_search_suggestions() && IsFullHeight(model_) &&
          (last_match_was_search_ ||
           last_suggestion_.behavior == INSTANT_COMPLETE_NEVER);
 }
 
@@ skipping 804 matching lines @@
       RecordEventHistogram(INSTANT_CONTROLLER_EVENT_URL_BLOCKED_BY_BLACKLIST);
       LOG_INSTANT_DEBUG_EVENT(this, base::StringPrintf(
           "GetInstantURL: Instant URL blacklisted: url=%s",
           instant_url->c_str()));
       return false;
     }
   }
 
   return true;
 }