Adds paste function to searchbox api and handles paste event on fakebox

chrome/browser/ui/search/instant_page.cc

 // Copyright 2013 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/ui/search/instant_page.h"
 
 #include "apps/app_launcher.h"
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/browser/chrome_notification_types.h"
 #include "chrome/browser/history/most_visited_tiles_experiment.h"
@@ skipping 104 matching lines @@
 }
 
 bool InstantPage::ShouldProcessFocusOmnibox() {
   return false;
 }
 
 bool InstantPage::ShouldProcessNavigateToURL() {
   return false;
 }
 
+bool InstantPage::ShouldProcessPasteIntoOmnibox() {
+  return false;
+}
+
 bool InstantPage::ShouldProcessDeleteMostVisitedItem() {
   return false;
 }
 
 bool InstantPage::ShouldProcessUndoMostVisitedDeletion() {
   return false;
 }
 
 bool InstantPage::ShouldProcessUndoAllMostVisitedDeletions() {
   return false;
 }
 
 bool InstantPage::OnMessageReceived(const IPC::Message& message) {
   if (is_incognito_)
     return false;
 
   bool handled = true;
   IPC_BEGIN_MESSAGE_MAP(InstantPage, message)
     IPC_MESSAGE_HANDLER(ChromeViewHostMsg_FocusOmnibox, OnFocusOmnibox)
     IPC_MESSAGE_HANDLER(ChromeViewHostMsg_SearchBoxNavigate,
                         OnSearchBoxNavigate);
+    IPC_MESSAGE_HANDLER(ChromeViewHostMsg_PasteAndOpenDropdown,
+                        OnSearchBoxPaste);
     IPC_MESSAGE_HANDLER(ChromeViewHostMsg_CountMouseover, OnCountMouseover);
     IPC_MESSAGE_HANDLER(ChromeViewHostMsg_SearchBoxDeleteMostVisitedItem,
                         OnDeleteMostVisitedItem);
     IPC_MESSAGE_HANDLER(ChromeViewHostMsg_SearchBoxUndoMostVisitedDeletion,
                         OnUndoMostVisitedDeletion);
     IPC_MESSAGE_HANDLER(ChromeViewHostMsg_SearchBoxUndoAllMostVisitedDeletions,
                         OnUndoAllMostVisitedDeletions);
     IPC_MESSAGE_UNHANDLED(handled = false)
   IPC_END_MESSAGE_MAP()
   return handled;
@@ skipping 81 matching lines @@
     return;
 
   SearchTabHelper::FromWebContents(contents())->InstantSupportChanged(true);
   if (!ShouldProcessNavigateToURL())
     return;
 
   delegate_->NavigateToURL(
       contents(), url, transition, disposition, is_search_type);
 }
 
+void InstantPage::OnSearchBoxPaste(int page_id, const string16& text) {
+  if (!contents()->IsActiveEntry(page_id))
+    return;
+
+  SearchTabHelper::FromWebContents(contents())->InstantSupportChanged(true);
+  if (!ShouldProcessPasteIntoOmnibox())
+    return;
+
+  delegate_->PasteIntoOmnibox(contents(), text);
+}
+
 void InstantPage::OnCountMouseover(int page_id) {
   if (!contents()->IsActiveEntry(page_id))
     return;
 
   InstantTab::CountMouseover(contents());
 }
 
 void InstantPage::OnDeleteMostVisitedItem(int page_id, const GURL& url) {
   if (!contents()->IsActiveEntry(page_id))
     return;
@@ skipping 55 matching lines @@
     return;
   }
 
   std::set<std::string> open_urls;
   chrome::GetOpenUrls(*tab_strip_model, *top_sites, &open_urls);
   history::MostVisitedTilesExperiment::RemoveItemsMatchingOpenTabs(
       open_urls, items);
 
 #endif
 }