Implement the Instant extended API startMargin, endMargin, and rtl properties and the onmarginchang…

chrome/browser/instant/instant_tab.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_tab.h"
 
 #include "chrome/browser/instant/instant_controller.h"
 
 InstantTab::InstantTab(InstantController* controller,
                        content::WebContents* contents)
@@ skipping 28 matching lines @@
 }
 
 void InstantTab::SetDisplayInstantResults(bool display_instant_results) {
   client_.SetDisplayInstantResults(display_instant_results);
 }
 
 void InstantTab::UpOrDownKeyPressed(int count) {
   client_.UpOrDownKeyPressed(count);
 }
 
+void InstantTab::SetMarginSize(int start, int end) {
+  client_.SetMarginSize(start, end);
+}
+
 void InstantTab::SetSuggestions(
     const std::vector<InstantSuggestion>& suggestions) {
   InstantSupportDetermined(true);
   controller_->SetSuggestions(contents_, suggestions);
 }
 
 void InstantTab::InstantSupportDetermined(bool supports_instant) {
   // If we had already determined that the page supports Instant, nothing to do.
   if (supports_instant_)
     return;
@@ skipping 21 matching lines @@
   // We don't honor this call from committed tabs.
 }
 
 void InstantTab::RenderViewGone() {
   // For a commit page, a crash should not be handled differently.
 }
 
 void InstantTab::AboutToNavigateMainFrame(const GURL& url) {
   // The client is a committed tab, navigations will happen as expected.
 }