bug=36212

a=waterson,av
r=av,waterson

Here is what I believe to be the correct fix.
This post correspondes to the fix,
second iteration attachments.
M modules/plugin/nglsrc/nsIPluginInstanceOwner.h
M modules/plugin/nglsrc/nsPluginHostImpl.cpp
M modules/plugin/nglsrc/nsPluginInstancePeer.cpp
M modules/plugin/nglsrc/nsPluginViewer.cpp
M layout/html/base/src/nsObjectFrame.cpp

This checkin modifies nsIPluginInstanceOwner::GetURL
to have a length parameter for the post data.

modules/plugin/base/src/nsPluginViewer.cpp

@@ -100,7 +100,8 @@ public:
 
   NS_IMETHOD CreateWidget(void);
 
-  NS_IMETHOD GetURL(const char *aURL, const char *aTarget, void *aPostData);
+  NS_IMETHOD GetURL(const char *aURL, const char *aTarget, void *aPostData,
+                    PRUint32 aPostDataLen);
 
   NS_IMETHOD ShowStatus(const char *aStatusMsg);
 
@@ -815,7 +816,7 @@ NS_IMETHODIMP pluginInstanceOwner :: CreateWidget(void)
   return NS_OK;
 }
 
-NS_IMETHODIMP pluginInstanceOwner :: GetURL(const char *aURL, const char *aTarget, void *aPostData)
+NS_IMETHODIMP pluginInstanceOwner :: GetURL(const char *aURL, const char *aTarget, void *aPostData, PRUint32 aPostDataLen)
 {
   nsresult  rv;