Remove test of illegal behavior that modifies a texture backing an SkImage.

include/core/SkImage.h

 /*
  * Copyright 2012 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef SkImage_DEFINED
 #define SkImage_DEFINED
 
@@ skipping 88 matching lines @@
 
     static SkImage* NewFromTexture(GrContext* ctx, const GrBackendTextureDesc& de, SkAlphaType at) {
         return NewFromTexture(ctx, de, at, NULL, NULL);
     }
 
     typedef void (*TextureReleaseProc)(ReleaseContext);
 
     /**
      *  Create a new image from the specified descriptor. The underlying platform texture must stay
      *  valid and unaltered until the specified release-proc is invoked, indicating that Skia
-     *  nolonger is holding a reference to it.
+     *  no longer is holding a reference to it.
      *
      *  Will return NULL if the specified descriptor is unsupported.
      */
     static SkImage* NewFromTexture(GrContext*, const GrBackendTextureDesc&, SkAlphaType,
                                    TextureReleaseProc, ReleaseContext);
 
     /**
      *  Create a new image from the specified descriptor. Note - Skia will delete or recycle the
      *  texture when the image is released.
      *
@@ skipping 176 matching lines @@
     const int       fWidth;
     const int       fHeight;
     const uint32_t  fUniqueID;
 
     static uint32_t NextUniqueID();
 
     typedef SkRefCnt INHERITED;
 };
 
 #endif