Adding the method that will handle chrome URLs. Invoked from within netlib.

chrome/src/nsChromeRegistry.cpp

@@ -54,6 +54,7 @@ public:
 
     // nsIChromeRegistry methods:
     NS_IMETHOD Init();
+    NS_IMETHOD ConvertChromeURL(const nsString& chromeURL, nsString& answer);
 
     // nsIRDFObserver methods:
     NS_IMETHOD OnAssert(nsIRDFResource* subject,
@@ -144,8 +145,12 @@ nsChromeRegistry::Init()
       
   }
 
-  rv = gRegistryDB->AddObserver(this);
-  NS_ASSERTION(NS_SUCCEEDED(rv), "unable to add self as registry observer");
+  if (gRegistryDB)
+  {
+      rv = gRegistryDB->AddObserver(this);
+      NS_ASSERTION(NS_SUCCEEDED(rv), "unable to add self as registry observer");
+  }
+  
   return rv;
 }
 
@@ -204,6 +209,12 @@ nsChromeRegistry::QueryInterface(REFNSIID aIID, void** aResult)
 ////////////////////////////////////////////////////////////////////////////////
 // nsIChromeRegistry methods:
 
+NS_IMETHODIMP
+nsChromeRegistry::ConvertChromeURL(const nsString& chromeURL, nsString& answer)
+{
+    return NS_OK;
+}
+
 ////////////////////////////////////////////////////////////////////////////////
 // nsIRDFObserver methods:
 

rdf/chrome/public/nsIChromeRegistry.h

@@ -20,6 +20,7 @@
 #define nsIChromeRegistry_h__
 
 #include "nsISupports.h"
+#include "nsString.h"
 
 // {D8C7D8A1-E84C-11d2-BF87-00105A1B0627}
 #define NS_ICHROMEREGISTRY_IID \
@@ -31,6 +32,7 @@ public:
     static const nsIID& GetIID() { static nsIID iid = NS_ICHROMEREGISTRY_IID; return iid; }
     
     NS_IMETHOD Init() = 0;
+    NS_IMETHOD ConvertChromeURL(const nsString& chromeURL, nsString& answer) = 0;
 };
 
 // for component registration

rdf/chrome/src/nsChromeRegistry.cpp

@@ -54,6 +54,7 @@ public:
 
     // nsIChromeRegistry methods:
     NS_IMETHOD Init();
+    NS_IMETHOD ConvertChromeURL(const nsString& chromeURL, nsString& answer);
 
     // nsIRDFObserver methods:
     NS_IMETHOD OnAssert(nsIRDFResource* subject,
@@ -144,8 +145,12 @@ nsChromeRegistry::Init()
       
   }
 
-  rv = gRegistryDB->AddObserver(this);
-  NS_ASSERTION(NS_SUCCEEDED(rv), "unable to add self as registry observer");
+  if (gRegistryDB)
+  {
+      rv = gRegistryDB->AddObserver(this);
+      NS_ASSERTION(NS_SUCCEEDED(rv), "unable to add self as registry observer");
+  }
+  
   return rv;
 }
 
@@ -204,6 +209,12 @@ nsChromeRegistry::QueryInterface(REFNSIID aIID, void** aResult)
 ////////////////////////////////////////////////////////////////////////////////
 // nsIChromeRegistry methods:
 
+NS_IMETHODIMP
+nsChromeRegistry::ConvertChromeURL(const nsString& chromeURL, nsString& answer)
+{
+    return NS_OK;
+}
+
 ////////////////////////////////////////////////////////////////////////////////
 // nsIRDFObserver methods: