mole expand/collapse API, callable from a toolstrip for manual operation

Review URL: http://codereview.chromium.org/160276

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@22245 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 6 insertions, 0 deletions

diff --git a/chrome/browser/extensions/extension_function_dispatcher.h b/chrome/browser/extensions/extension_function_dispatcher.h
index 0e79882..7a47b3f 100644
--- a/chrome/browser/extensions/extension_function_dispatcher.h
+++ b/chrome/browser/extensions/extension_function_dispatcher.h
@@ -14,6 +14,7 @@
 
 class Browser;
 class ExtensionFunction;
+class ExtensionHost;
 class Profile;
 class RenderViewHost;
 class RenderViewHostDelegate;
@@ -29,6 +30,7 @@ class ExtensionFunctionDispatcher {
   class Delegate {
    public:
     virtual Browser* GetBrowser() = 0;
+    virtual ExtensionHost* GetExtensionHost() { return NULL; }
   };
 
   // The peer object allows us to notify ExtensionFunctions when we are
@@ -68,6 +70,10 @@ class ExtensionFunctionDispatcher {
   // example, for positioning windows, or alert boxes, or creating tabs.
   Browser* GetBrowser();
 
+  // Gets the ExtensionHost associated with this object.  In the case of
+  // tab hosted extension pages, this will return NULL.
+  ExtensionHost* GetExtensionHost();
+
   // Handle a malformed message.  Possibly the result of an attack, so kill
   // the renderer.
   void HandleBadMessage(ExtensionFunction* api);