SkPerlinNoiseShader::CreateTubulenceNoise() is misspelled

Add missing 'r'.

BUG=skia:2329
R=bsalomon@google.com, hcm@google.com, sugoi@chromium.org

Author: siglesias@igalia.com

Review URL: https://codereview.chromium.org/207543008

git-svn-id: http://skia.googlecode.com/svn/trunk@14008 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/include/effects/SkPerlinNoiseShader.h b/include/effects/SkPerlinNoiseShader.h
index 03ae383..9b06b2a 100644
--- a/include/effects/SkPerlinNoiseShader.h
+++ b/include/effects/SkPerlinNoiseShader.h
@@ -58,9 +58,19 @@
     static SkShader* CreateFractalNoise(SkScalar baseFrequencyX, SkScalar baseFrequencyY,
                                         int numOctaves, SkScalar seed,
                                         const SkISize* tileSize = NULL);
-    static SkShader* CreateTubulence(SkScalar baseFrequencyX, SkScalar baseFrequencyY,
+    static SkShader* CreateTurbulence(SkScalar baseFrequencyX, SkScalar baseFrequencyY,
                                      int numOctaves, SkScalar seed,
                                      const SkISize* tileSize = NULL);
+    /**
+     * Create alias for CreateTurbulunce until all Skia users changed
+     * its code to use the new naming
+     */
+    static SkShader* CreateTubulence(SkScalar baseFrequencyX, SkScalar baseFrequencyY,
+                                     int numOctaves, SkScalar seed,
+                                     const SkISize* tileSize = NULL) {
+	return CreateTurbulence(baseFrequencyX, baseFrequencyY, numOctaves, seed, tileSize);
+    }
+
 
     virtual bool setContext(const SkBitmap& device, const SkPaint& paint,
                             const SkMatrix& matrix);