Moving extension code out of "components/" to avoid layering violations.

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 285 matching lines @@
 
 content::Referrer CreateSaveAsReferrer(
     const GURL& url,
     const content::ContextMenuParams& params) {
   const GURL& referring_url = GetDocumentURL(params);
   return content::Referrer::SanitizeForRequest(
       url,
       content::Referrer(referring_url.GetAsReferrer(), params.referrer_policy));
 }
 
+content::WebContents* GetWebContentsToUse(content::WebContents* web_contents) {
+// If we're viewing in a MimeHandlerViewGuest, use its embedder WebContents.
+#if defined(ENABLE_EXTENSIONS)
+  WebContents* top_level_web_contents =
+      extensions::GuestViewBase::GetTopLevelWebContents(web_contents);

[lazyboy, 2015/05/05 05:16:16]

GuestViewBase is too broad for this, I'd only use
top_level_web_contents if |web_contents| is a MimeHandlerViewGuest.

i.e. guard this with "if (MimeHandlerViewGuest::FromWC(web_contents))"

[Deepak, 2015/05/05 06:28:22]

Done.

+  if (top_level_web_contents)
+    return top_level_web_contents;
+#endif
+  return web_contents;
+}
+
 bool g_custom_id_ranges_initialized = false;
 
 const int kSpellcheckRadioGroup = 1;
 
 }  // namespace
 
 // static
 gfx::Vector2d RenderViewContextMenu::GetOffset(
     RenderFrameHost* render_frame_host) {
   gfx::Vector2d offset;
@@ skipping 27 matching lines @@
 RenderViewContextMenu::RenderViewContextMenu(
     content::RenderFrameHost* render_frame_host,
     const content::ContextMenuParams& params)
     : RenderViewContextMenuBase(render_frame_host, params),
       extension_items_(browser_context_,
                        this,
                        &menu_model_,
                        base::Bind(MenuItemMatchesParams, params_)),
       protocol_handler_submenu_model_(this),
       protocol_handler_registry_(
-          ProtocolHandlerRegistryFactory::GetForBrowserContext(GetProfile())) {
+          ProtocolHandlerRegistryFactory::GetForBrowserContext(GetProfile())),
+      embedder_web_contents_(GetWebContentsToUse(source_web_contents_)) {
   if (!g_custom_id_ranges_initialized) {
     g_custom_id_ranges_initialized = true;
     SetContentCustomCommandIdRange(IDC_CONTENT_CONTEXT_CUSTOM_FIRST,
                                    IDC_CONTENT_CONTEXT_CUSTOM_LAST);
   }
   set_content_type(ContextMenuContentTypeFactory::Create(
       source_web_contents_, params));
 }
 
 RenderViewContextMenu::~RenderViewContextMenu() {
@@ skipping 1473 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);
 }