Added tree structure to GrGLFragmentProcessor, i.e. GL instances

gyp/gpu.gypi

 # Copyright 2015 Google Inc.
 #
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 # Include this gypi to include all 'gpu' files
 # The parent gyp/gypi file must define
 #       'skia_src_path'     e.g. skia/trunk/src
 #       'skia_include_path' e.g. skia/trunk/include
 #
 # The skia build defines these in common_variables.gypi
@@ skipping 282 matching lines @@
       '<(skia_src_path)/gpu/gl/GrGLDefaultInterface_none.cpp',
       '<(skia_src_path)/gpu/gl/GrGLDefines.h',
       '<(skia_src_path)/gpu/gl/GrGLGeometryProcessor.cpp',
       '<(skia_src_path)/gpu/gl/GrGLGeometryProcessor.h',
       '<(skia_src_path)/gpu/gl/GrGLGLSL.cpp',
       '<(skia_src_path)/gpu/gl/GrGLGLSL.h',
       '<(skia_src_path)/gpu/gl/GrGLGpu.cpp',
       '<(skia_src_path)/gpu/gl/GrGLGpu.h',
       '<(skia_src_path)/gpu/gl/GrGLGpuProgramCache.cpp',
       '<(skia_src_path)/gpu/gl/GrGLExtensions.cpp',
+      '<(skia_src_path)/gpu/gl/GrGLFragmentProcessor.cpp',
+      '<(skia_src_path)/gpu/gl/GrGLFragmentProcessor.h',
       '<(skia_src_path)/gpu/gl/GrGLIndexBuffer.cpp',
       '<(skia_src_path)/gpu/gl/GrGLIndexBuffer.h',
       '<(skia_src_path)/gpu/gl/GrGLInterface.cpp',
       '<(skia_src_path)/gpu/gl/GrGLIRect.h',
       '<(skia_src_path)/gpu/gl/GrGLNameAllocator.cpp',
       '<(skia_src_path)/gpu/gl/GrGLNameAllocator.h',
       '<(skia_src_path)/gpu/gl/GrGLNoOpInterface.cpp',
       '<(skia_src_path)/gpu/gl/GrGLNoOpInterface.h',
       '<(skia_src_path)/gpu/gl/GrGLPathProgram.cpp',
       '<(skia_src_path)/gpu/gl/GrGLPathProgram.h',
@@ skipping 133 matching lines @@
       '<(skia_src_path)/gpu/gl/debug/SkDebugGLContext.cpp',
       '<(skia_src_path)/gpu/gl/debug/SkDebugGLContext.h',
     ],
     'skgpu_null_gl_sources': [
       '<(skia_src_path)/gpu/gl/GrGLCreateNullInterface.cpp',
       '<(skia_src_path)/gpu/gl/SkNullGLContext.cpp',
       '<(skia_include_path)/gpu/gl/SkNullGLContext.h',
     ],
   },
 }