[MIPS] Add MIPS Android related changes to gn build system

skia/BUILD.gn

 # Copyright (c) 2013 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 import("//build/config/features.gni")
 import("//build/config/ui.gni")
 if (cpu_arch == "arm") {
   import("//build/config/arm.gni")
 }
 
@@ skipping 613 matching lines @@
         "//third_party/skia/src/opts/SkBlitMask_opts_arm.cpp",
         "//third_party/skia/src/opts/SkBlitRow_opts_arm.cpp",
         "//third_party/skia/src/opts/SkBlitRow_opts_arm.h",
         "//third_party/skia/src/opts/SkBlurImage_opts_arm.cpp",
         "//third_party/skia/src/opts/SkMorphology_opts_arm.cpp",
         "//third_party/skia/src/opts/SkUtils_opts_arm.cpp",
         "//third_party/skia/src/opts/SkXfermode_opts_none.cpp",
       ]
     }
 
-
+  } else if (cpu_arch == "mipsel") {
+    cflags += [ "-fomit-frame-pointer" ]
+    sources = [
+      "//third_party/skia/src/opts/SkBitmapProcState_opts_none.cpp",
+      "//third_party/skia/src/opts/SkBlitMask_opts_none.cpp",
+      "//third_party/skia/src/opts/SkBlitRow_opts_none.cpp",
+      "//third_party/skia/src/opts/SkUtils_opts_none.cpp",
+      "//third_party/skia/src/opts/SkXfermode_opts_none.cpp",
+      "//third_party/skia/src/opts/SkMorphology_opts_none.cpp",
+      "//third_party/skia/src/opts/SkBlurImage_opts_none.cpp",
+    ]
   } else {
-    assert(false, "Need to port MIPS stuff from skia_library_opts.gyp")
+    assert(false, "Need to port cpu specific stuff from skia_library_opts.gyp")
   }
 
   configs -= [ "//build/config/compiler:chromium_code" ]
   configs += [
     ":skia_config",
     "//build/config/compiler:no_chromium_code"
   ]
 
   deps = [
     "//base",
   ]
 
   visibility = ":skia"
 }