Browser Plugin: Update DOM Node attributes when properties are updated

content/renderer/browser_plugin/browser_plugin.h

Index: content/renderer/browser_plugin/browser_plugin.h
diff --git a/content/renderer/browser_plugin/browser_plugin.h b/content/renderer/browser_plugin/browser_plugin.h
index 78005c7c63f6ba45c5b2c34e80f496f70ba5ad5c..fad7f648f220f6a74c8e097c831fd02ecae50f88 100644
--- a/content/renderer/browser_plugin/browser_plugin.h
+++ b/content/renderer/browser_plugin/browser_plugin.h
@@ -36,6 +36,11 @@ class CONTENT_EXPORT BrowserPlugin :
   // Called only by tests to clean up before we blow away the MockRenderProcess.
   void Cleanup();
 
+  // Update Browser Plugin's DOM Node attribute |attribute_name| with the value
+  // |attribute_value|.
+  void UpdateDOMAttribute(const std::string& attribute_name,
+                          const std::string& attribute_value);
+
   // Get the src attribute value of the BrowserPlugin instance.
   std::string src_attribute() const { return src_; }
   // Set the src attribute value of the BrowserPlugin instance.