Make miscellaneous_bindings.js not depend on onLoad().

chrome/renderer/extensions/chrome_v8_context.h

Index: chrome/renderer/extensions/chrome_v8_context.h
diff --git a/chrome/renderer/extensions/chrome_v8_context.h b/chrome/renderer/extensions/chrome_v8_context.h
index 9a9502c842bcd185eed6b6c3380858f88d39bd11..8ddd78806c54ac0b4adce2e495dafa308880af29 100644
--- a/chrome/renderer/extensions/chrome_v8_context.h
+++ b/chrome/renderer/extensions/chrome_v8_context.h
@@ -99,6 +99,9 @@ class ChromeV8Context {
   // APIs are available, returns an empty set.
   const std::set<std::string>& GetAvailableExtensionAPIs();
 
+  // Returns a string description of the type of context this is.
+  std::string GetContextTypeDescription();
+
  private:
   // The v8 context the bindings are accessible to. We keep a strong reference
   // to it for simplicity. In the case of content scripts, this is necessary