<webview>: Context menu API implementation CL.

chrome/browser/renderer_context_menu/render_view_context_menu.cc

Index: chrome/browser/renderer_context_menu/render_view_context_menu.cc
diff --git a/chrome/browser/renderer_context_menu/render_view_context_menu.cc b/chrome/browser/renderer_context_menu/render_view_context_menu.cc
index 28d08ba8177f3bcaccf123d1eccca7c1405c903c..41dcc63e8999af6f111be610681905b35844476e 100644
--- a/chrome/browser/renderer_context_menu/render_view_context_menu.cc
+++ b/chrome/browser/renderer_context_menu/render_view_context_menu.cc
@@ -36,6 +36,7 @@
 #include "chrome/browser/extensions/extension_host.h"
 #include "chrome/browser/extensions/extension_service.h"
 #include "chrome/browser/google/google_util.h"
+#include "chrome/browser/guestview/webview/webview_guest.h"
 #include "chrome/browser/plugins/chrome_plugin_service_filter.h"
 #include "chrome/browser/prefs/incognito_mode_prefs.h"
 #include "chrome/browser/profiles/profile.h"
@@ -409,8 +410,13 @@ RenderViewContextMenu::RenderViewContextMenu(
       profile_(Profile::FromBrowserContext(
           source_web_contents_->GetBrowserContext())),
       menu_model_(this),
-      extension_items_(profile_, this, &menu_model_,
-                    base::Bind(MenuItemMatchesParams, params_)),
+      extension_items_(
+          profile_,
+          this,
+          &menu_model_,
+          base::Bind(MenuItemMatchesParams,
+                     params_,
+                     WebViewGuest::GetViewInstanceId(source_web_contents_))),
       speech_input_submenu_model_(this),
       protocol_handler_submenu_model_(this),
       protocol_handler_registry_(
@@ -500,10 +506,16 @@ static const GURL& GetDocumentURL(const content::ContextMenuParams& params) {
   return params.frame_url.is_empty() ? params.page_url : params.frame_url;
 }
 
-// static
+// static.
 bool RenderViewContextMenu::MenuItemMatchesParams(
     const content::ContextMenuParams& params,
+    int webview_instance_id,
     const extensions::MenuItem* item) {
+  if (webview_instance_id || item->id().webview_instance_id) {
+    if (webview_instance_id != item->id().webview_instance_id)
+      return false;
+  }
+
   bool match = ExtensionContextAndPatternMatch(params, item->contexts(),
                                                item->target_url_patterns());
   if (!match)