Fix spelling in tainted canvas error message.

Source/core/html/canvas/WebGLRenderingContext.cpp

Index: Source/core/html/canvas/WebGLRenderingContext.cpp
diff --git a/Source/core/html/canvas/WebGLRenderingContext.cpp b/Source/core/html/canvas/WebGLRenderingContext.cpp
index 028055100558ca1c115991e69e459b28d6a4d8d7..21b3fe59f2c053bbaafc41abc7f096de587487fe 100644
--- a/Source/core/html/canvas/WebGLRenderingContext.cpp
+++ b/Source/core/html/canvas/WebGLRenderingContext.cpp
@@ -5162,7 +5162,7 @@ bool WebGLRenderingContext::validateHTMLCanvasElement(const char* functionName,
         return false;
     }
     if (wouldTaintOrigin(canvas)) {
-        exceptionState.throwSecurityError(ExceptionMessages::failedToExecute(functionName, "WebGLRenderingContext", "tainted canvases may not be loded."));
+        exceptionState.throwSecurityError(ExceptionMessages::failedToExecute(functionName, "WebGLRenderingContext", "tainted canvases may not be loaded."));
         return false;
     }
     return true;