GN fixes to make webkit_unit_tests link on android

Source/core/BUILD.gn

 # Copyright 2014 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/ui.gni")
 import("//third_party/WebKit/Source/bindings/bindings.gni")
 import("//third_party/WebKit/Source/bindings/core/v8/generated.gni")
 import("//third_party/WebKit/Source/bindings/modules/modules.gni")
 import("//third_party/WebKit/Source/bindings/modules/v8/generated.gni")
 import("//third_party/WebKit/Source/bindings/scripts/scripts.gni")
@@ skipping 222 matching lines @@
   if (is_win) {
     cflags += [
       "/wd4267",
       "/wd4334",
     ]
   } else {  # !is_win
     sources -= [
       "rendering/RenderThemeChromiumFontProviderWin.cpp",
     ]
   }
-  if (!is_linux) {
+  if (!is_linux && !is_android) {
     sources -= [
       "rendering/RenderThemeChromiumFontProviderLinux.cpp",
     ]
   }
 
   if (is_android) {
     # Due to a bug in gcc 4.6 in android NDK, we got warnings about
     # uninitialized variable.
     # TODO: try removing now that we are on GCC 4.8.
     cflags += [ "-Wno-uninitialized" ]
@@ skipping 16 matching lines @@
     # prefix header injected.
     cflags = [
       "-include",
       rebase_path("../build/mac/Prefix.h", root_build_dir),
     ]
   } else {  # !is_mac
     sources -= [
       "editing/SmartReplaceCF.cpp",
     ]
   }
-
-  if (!use_default_render_theme) {
-    sources -= [
-      "rendering/RenderThemeChromiumDefault.cpp",
-      "rendering/RenderThemeChromiumDefault.h",
-    ]
-  }
 }
 
 # GYP version: //third_party/WebKit/Source/core/core.gyp:webcore_rendering
 source_set("rendering") {
   # The files that go here are currently in "remaining".
 }
 
 # GYP version: WebKit/Source/core/core.gyp:webcore_testing
 source_set("testing") {
   configs += [
@@ skipping 773 matching lines @@
     "$blink_core_output_dir/{{source_name_part}}.h",
   ]
   args = [
     "{{source}}",
     rel_blink_core_gen_dir,
     bison_exe,
   ]
 
   deps = make_core_generated_deps
 }