From a83d8031c7388f9b5940ab71047cee94d6e4c1c9 Mon Sep 17 00:00:00 2001
From: Vladimir Vukicevic <vladimir@pobox.com>
Date: Wed, 5 Jan 2011 13:08:53 -0800
Subject: [PATCH] b=622956; [webgl] add stub extension mechanism, fixes
 extension tests; r=bjacob

---
 content/canvas/src/WebGLContextGL.cpp                 | 7 +++++++
 dom/interfaces/canvas/nsIDOMWebGLRenderingContext.idl | 3 +++
 2 files changed, 10 insertions(+)

diff --git a/content/canvas/src/WebGLContextGL.cpp b/content/canvas/src/WebGLContextGL.cpp
index 0cada0bbfa9..50baae43c84 100644
--- a/content/canvas/src/WebGLContextGL.cpp
+++ b/content/canvas/src/WebGLContextGL.cpp
@@ -4201,3 +4201,10 @@ int mozilla::GetWebGLTexelFormat(GLenum format, GLenum type)
         }
     }
 }
+
+NS_IMETHODIMP
+WebGLContext::GetExtension(const nsAString& aName, nsISupports **retval)
+{
+    *retval = nsnull;
+    return NS_OK;
+}
diff --git a/dom/interfaces/canvas/nsIDOMWebGLRenderingContext.idl b/dom/interfaces/canvas/nsIDOMWebGLRenderingContext.idl
index d93178e4618..87541839802 100644
--- a/dom/interfaces/canvas/nsIDOMWebGLRenderingContext.idl
+++ b/dom/interfaces/canvas/nsIDOMWebGLRenderingContext.idl
@@ -834,4 +834,7 @@ interface nsIDOMWebGLRenderingContext : nsISupports
   // Most useful for querying GL_VENDOR/GL_RENDERER for identifying
   // the underlying renderer to the user.
   [noscript] DOMString mozGetUnderlyingParamString(in WebGLenum pname);
+
+  // extensions
+  nsISupports getExtension(in DOMString name);
 };