Implement automatic load of composed/embedded automation trees

chrome/browser/extensions/api/automation_internal/automation_internal_api.h

Index: chrome/browser/extensions/api/automation_internal/automation_internal_api.h
diff --git a/chrome/browser/extensions/api/automation_internal/automation_internal_api.h b/chrome/browser/extensions/api/automation_internal/automation_internal_api.h
index 7912419461709a652dc48f9fb078a10d941fb6d3..f464c1b8cabc7d53daef529f8cae999793cb549a 100644
--- a/chrome/browser/extensions/api/automation_internal/automation_internal_api.h
+++ b/chrome/browser/extensions/api/automation_internal/automation_internal_api.h
@@ -58,6 +58,16 @@ class AutomationInternalPerformActionFunction
       AutomationActionAdapter* adapter);
 };
 
+class AutomationInternalEnableRendererFunction
+    : public UIThreadExtensionFunction {
+  DECLARE_EXTENSION_FUNCTION("automationInternal.enableRenderer",

[dmazzoni, 2014/10/29 06:53:30]

How about enableFrame or enableWebFrame? Renderer is a bit of an overloaded term
in the Chromium codebase, it doesn't feel very precise.

+                             AUTOMATIONINTERNAL_PERFORMACTION)
+ protected:
+  ~AutomationInternalEnableRendererFunction() override {}
+
+  ExtensionFunction::ResponseAction Run() override;
+};
+
 class AutomationInternalEnableDesktopFunction
     : public UIThreadExtensionFunction {
   DECLARE_EXTENSION_FUNCTION("automationInternal.enableDesktop",