Proof of concept implementation of context based history filtering.

chrome/browser/renderer_context_menu/render_view_context_menu.cc

 // Copyright 2014 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/renderer_context_menu/render_view_context_menu.h"
 
 #include <algorithm>
 #include <set>
 #include <utility>
 
@@ skipping 1365 matching lines @@
       dl_params->set_referrer(referrer);
       dl_params->set_referrer_encoding(params_.frame_charset);
       dl_params->set_suggested_name(params_.suggested_filename);
       dl_params->set_prompt(true);
       dlm->DownloadUrl(dl_params.Pass());
       break;
     }
 
     case IDC_CONTENT_CONTEXT_SAVEAVAS:
     case IDC_CONTENT_CONTEXT_SAVEIMAGEAS: {
+      embedder_web_contents_->SaveImage();
       bool is_large_data_url = params_.has_image_contents &&
           params_.src_url.is_empty();
       if (params_.media_type == WebContextMenuData::MediaTypeCanvas ||
           (params_.media_type == WebContextMenuData::MediaTypeImage &&
               is_large_data_url)) {
         source_web_contents_->GetRenderViewHost()->SaveImageAt(
           params_.x, params_.y);
       } else {
         RecordDownloadSource(DOWNLOAD_INITIATED_BY_CONTEXT_MENU);
         const GURL& url = params_.src_url;
@@ skipping 135 matching lines @@
       const Extension* platform_app = GetExtension();
       DCHECK(platform_app);
       DCHECK(platform_app->is_platform_app());
 
       apps::AppLoadService::Get(GetProfile())
           ->RestartApplication(platform_app->id());
       break;
     }
 
     case IDC_PRINT: {
+      embedder_web_contents_->Print();
 #if defined(ENABLE_PRINTING)
       if (params_.media_type != WebContextMenuData::MediaTypeNone) {
         if (render_frame_host) {
           render_frame_host->Send(new PrintMsg_PrintNodeUnderContextMenu(
               render_frame_host->GetRoutingID()));
         }
         break;
       }
 
       printing::StartPrint(
@@ skipping 267 matching lines @@
   source_web_contents_->GetRenderViewHost()->
       ExecuteMediaPlayerActionAtLocation(location, action);
 }
 
 void RenderViewContextMenu::PluginActionAt(
     const gfx::Point& location,
     const WebPluginAction& action) {
   source_web_contents_->GetRenderViewHost()->
       ExecutePluginActionAtLocation(location, action);
 }