Compile specific parts of the Android build with -O2.

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 534 matching lines @@
     deps += [
       "//third_party/expat",
       "//third_party/freetype",
       "//third_party/android_tools:cpu_features",
     ]
   }
 
   if (skia_support_pdf) {
     deps += [ "//third_party/sfntly" ]
   }
+
+  if (is_android && !is_debug) {
+    configs -= [ "//build/config/compiler:optimize" ]
+    configs += [ "//build/config/compiler:optimize_max" ]
+  }
 }
 
 # Separated out so it can be compiled with different flags for SSE.
 source_set("skia_opts") {
   cflags = []
   defines = []
 
   if (cpu_arch == "x86" || cpu_arch == "x64") {
     sources = [
       "//third_party/skia/src/opts/SkTextureCompression_opts_none.cpp",
@@ skipping 117 matching lines @@
       "//third_party/skia/src/opts/SkBlurImage_opts_none.cpp",
       "//third_party/skia/src/opts/SkMorphology_opts_none.cpp",
       "//third_party/skia/src/opts/SkTextureCompression_opts_none.cpp",
       "//third_party/skia/src/opts/SkUtils_opts_none.cpp",
       "//third_party/skia/src/opts/SkXfermode_opts_none.cpp",
     ]
   } else {
     assert(false, "Need to port cpu specific stuff from skia_library_opts.gyp")
   }
 
+  if (is_android && !is_debug) {
+    configs -= [ "//build/config/compiler:optimize" ]
+    configs += [ "//build/config/compiler:optimize_max" ]
+  }
+
   configs -= [ "//build/config/compiler:chromium_code" ]
   configs += [
     ":skia_config",
     "//build/config/compiler:no_chromium_code"
   ]
 
   deps = [
     "//base",
   ]
 
   visibility = [ ":skia" ]
 }