Improvements to fatal JavaScript extension errors: (1) include the extension

chrome/renderer/extensions/chrome_v8_context_set.h

 // 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.
 
 #ifndef CHROME_RENDERER_EXTENSIONS_CHROME_V8_CONTEXT_SET_H_
 #define CHROME_RENDERER_EXTENSIONS_CHROME_V8_CONTEXT_SET_H_
 
 #include <set>
 #include <string>
 
@@ skipping 33 matching lines @@
 
   // If the specified context is contained in this set, remove it, then delete
   // it asynchronously. After this call returns the context object will still
   // be valid, but its frame() pointer will be cleared.
   void Remove(ChromeV8Context* context);
 
   // Returns a copy to protect against changes.
   typedef std::set<ChromeV8Context*> ContextSet;
   ContextSet GetAll() const;
 
-  // Gets the ChromeV8Context corresponding to the v8::Context that is
-  // on the top of the stack, or NULL if no such context exists.
+  // Gets the ChromeV8Context corresponding to v8::Context::GetCurrent(), or
+  // NULL if no such context exists.
   ChromeV8Context* GetCurrent() const;
 
+  // Gets the ChromeV8Context corresponding to v8::Context::GetCalling(), or
+  // NULL if no such context exists.
+  ChromeV8Context* GetCalling() const;
+
   // Gets the ChromeV8Context corresponding to the specified
   // v8::Context or NULL if no such context exists.
   ChromeV8Context* GetByV8Context(v8::Handle<v8::Context> context) const;
 
   // Synchronously runs |callback| with each ChromeV8Context that belongs to
   // |extension_id| in |render_view|.
   //
   // |extension_id| may be "" to match all extensions.
   // |render_view| may be NULL to match all render views.
   void ForEach(const std::string& extension_id,
                content::RenderView* render_view,
                const base::Callback<void(ChromeV8Context*)>& callback) const;
 
   // Cleans up contexts belonging to an unloaded extension.
   //
   // Returns the set of ChromeV8Contexts that were removed as a result. These
   // are safe to interact with until the end of the current event loop, since
   // they're deleted asynchronously.
   ContextSet OnExtensionUnloaded(const std::string& extension_id);
 
  private:
   ContextSet contexts_;
 
   DISALLOW_COPY_AND_ASSIGN(ChromeV8ContextSet);
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_RENDERER_EXTENSIONS_CHROME_V8_CONTEXT_SET_H_