Extract executeScript-like functionality into a single ExtensionScriptExecutor class.

chrome/browser/ui/tab_contents/tab_contents_wrapper.h

Index: chrome/browser/ui/tab_contents/tab_contents_wrapper.h
diff --git a/chrome/browser/ui/tab_contents/tab_contents_wrapper.h b/chrome/browser/ui/tab_contents/tab_contents_wrapper.h
index 3fc5e14ef66cd57737255cc285abaf671cf706b4..9d49fcb1adbf680fe1c9fd74d159dcd6d51a34dc 100644
--- a/chrome/browser/ui/tab_contents/tab_contents_wrapper.h
+++ b/chrome/browser/ui/tab_contents/tab_contents_wrapper.h
@@ -56,6 +56,7 @@ class SyncedTabDelegate;
 }
 
 namespace extensions {
+class ScriptExecutor;
 class WebNavigationTabObserver;
 }
 
@@ -132,6 +133,10 @@ class TabContentsWrapper : public content::WebContentsObserver {
 
   CoreTabHelper* core_tab_helper() { return core_tab_helper_.get(); }
 
+  extensions::ScriptExecutor* extensions_script_executor() {
+    return extensions_script_executor_.get();
+  }
+
   ExtensionTabHelper* extension_tab_helper() {
     return extension_tab_helper_.get();
   }
@@ -228,6 +233,7 @@ class TabContentsWrapper : public content::WebContentsObserver {
   scoped_ptr<BookmarkTabHelper> bookmark_tab_helper_;
   scoped_ptr<ConstrainedWindowTabHelper> constrained_window_tab_helper_;
   scoped_ptr<CoreTabHelper> core_tab_helper_;
+  scoped_ptr<extensions::ScriptExecutor> extensions_script_executor_;

[Matt Perry, 2012/05/11 22:47:38]

nit: extension_script_executor_ for consistency

[not at google - send to devlin, 2012/05/14 02:27:16]

Done.

   scoped_ptr<ExtensionTabHelper> extension_tab_helper_;
   scoped_ptr<FaviconTabHelper> favicon_tab_helper_;
   scoped_ptr<FindTabHelper> find_tab_helper_;