Remove internal calls to SkImage::getTexture

gyp/SampleApp.gyp

 # Copyright 2015 Google Inc.
 #
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 #
 {
   'targets': [
     {
       'target_name': 'SampleApp',
       'type': 'executable',
       'include_dirs' : [
         '../include/private',
         '../src/core',
         '../src/effects', #needed for BlurMask.h
         '../src/gpu', # needed by SkLua.cpp
+        '../src/image',
         '../src/images',
         '../src/lazy',
         '../gm',       # needed to pull gm.h
         '../samplecode', # To pull SampleApp.h and SampleCode.h
         '../tools/debugger',
         '../tools',
         '../experimental',
       ],
       'includes': [
         'gmslides.gypi',
@@ skipping 240 matching lines @@
           ],
         }],
         [ 'not skia_pdf', {
           'dependencies!': [ 'pdf.gyp:pdf' ],
           'dependencies': [ 'pdf.gyp:nopdf' ],
         }],
       ],
     },
   ],
 }