Omnibox should accept and navigate URLs dropped using drag and drop.

chrome/browser/ui/views/omnibox/omnibox_view_views.cc

 // Copyright (c) 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/ui/views/omnibox/omnibox_view_views.h"
 
 #include "base/logging.h"
 #include "base/string_util.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/app/chrome_command_ids.h"
@@ skipping 761 matching lines @@
   const string16 text = textfield_->text();
   GURL url;
   bool write_url;
   model()->AdjustTextForCopy(selection_range.start(), selected_text == text,
       &selected_text, &url, &write_url);
   data->SetString(selected_text);
   if (write_url)
     data->SetURL(url, selected_text);
 }
 
+void OmniboxViewViews::AppendDropFormats(
+    int* formats,
+    std::set<ui::OSExchangeData::CustomFormat>* custom_formats) {
+  *formats = *formats | ui::OSExchangeData::URL;
+}
+
+int OmniboxViewViews::OnDrop(const ui::OSExchangeData& data) {
+  if (data.HasURL()) {
+    GURL url;
+    string16 title;
+    if (data.GetURLAndTitle(&url, &title)) {
+      string16 text(StripJavascriptSchemas(UTF8ToUTF16(url.spec())));
+      if (model()->CanPasteAndGo(text)) {
+        model()->PasteAndGo(text);
+        return ui::DragDropTypes::DRAG_COPY;
+      }
+    }
+  }
+  return ui::DragDropTypes::DRAG_NONE;
+}
+
 void OmniboxViewViews::UpdateContextMenu(ui::SimpleMenuModel* menu_contents) {
   // Minor note: We use IDC_ for command id here while the underlying textfield
   // is using IDS_ for all its command ids. This is because views cannot depend
   // on IDC_ for now.
   menu_contents->AddItemWithStringId(IDC_EDIT_SEARCH_ENGINES,
       IDS_EDIT_SEARCH_ENGINES);
 
   if (chrome::search::IsInstantExtendedAPIEnabled(
           location_bar_view_->profile())) {
     int copy_position = menu_contents->GetIndexOfCommandId(IDS_APP_COPY);
@@ skipping 142 matching lines @@
   if (!text.empty()) {
     // Record this paste, so we can do different behavior.
     model()->on_paste();
     // Force a Paste operation to trigger the text_changed code in
     // OnAfterPossibleChange(), even if identical contents are pasted into the
     // text box.
     text_before_change_.clear();
     textfield_->ReplaceSelection(text);
   }
 }