Add support for a "split" incognito behavior for extensions.

chrome/browser/extensions/extensions_ui.h

Index: chrome/browser/extensions/extensions_ui.h
diff --git a/chrome/browser/extensions/extensions_ui.h b/chrome/browser/extensions/extensions_ui.h
index fb186fc72542c62c4430d4c9e16dd437b52ca70d..0d961a1e8360085a343449858ee06355300856f9 100644
--- a/chrome/browser/extensions/extensions_ui.h
+++ b/chrome/browser/extensions/extensions_ui.h
@@ -32,12 +32,14 @@ class UserScript;
 // Information about a page running in an extension, for example a toolstrip,
 // a background page, or a tab contents.
 struct ExtensionPage {
-  ExtensionPage(const GURL& url, int render_process_id, int render_view_id)
+  ExtensionPage(const GURL& url, int render_process_id, int render_view_id,
+                bool incognito)
     : url(url), render_process_id(render_process_id),
-      render_view_id(render_view_id) {}
+      render_view_id(render_view_id), incognito(incognito) {}
   GURL url;
   int render_process_id;
   int render_view_id;
+  bool incognito;
 };
 
 class ExtensionsUIHTMLSource : public ChromeURLDataManager::DataSource {
@@ -196,9 +198,11 @@ class ExtensionsDOMHandler
                        const NotificationDetails& details);
 
   // Helper that lists the current active html pages for an extension.
-  std::vector<ExtensionPage> GetActivePagesForExtension(
+  std::vector<ExtensionPage> GetActivePagesForExtension(Extension* extension);
+  void GetActivePagesForExtensionProcess(
       RenderProcessHost* process,
-      Extension* extension);
+      Extension* extension,
+      std::vector<ExtensionPage> *result);
 
   // Returns the best icon to display in the UI for an extension, or an empty
   // ExtensionResource if no good icon exists.