Enable more tests in GN build.

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 230 matching lines @@
 }
 
 component("skia") {
   sources = [
     # Chrome sources.
     "ext/analysis_canvas.cc",
     "ext/analysis_canvas.h",
     "ext/benchmarking_canvas.cc",
     "ext/benchmarking_canvas.h",
     "ext/bitmap_platform_device.h",
-    "ext/bitmap_platform_device_cairo.cc",
-    "ext/bitmap_platform_device_cairo.h",
-    "ext/bitmap_platform_device_mac.cc",
-    "ext/bitmap_platform_device_mac.h",
-    #"ext/bitmap_platform_device_skia.cc",
-    #"ext/bitmap_platform_device_skia.h",
-    "ext/bitmap_platform_device_win.cc",
-    "ext/bitmap_platform_device_win.h",
     "ext/convolver.cc",
     "ext/convolver.h",
     "ext/event_tracer_impl.cc",
     "ext/event_tracer_impl.h",
     "ext/fontmgr_default_win.cc",
     "ext/fontmgr_default_win.h",
     "ext/google_logging.cc",
     "ext/image_operations.cc",
     "ext/image_operations.h",
     "ext/lazy_pixel_ref.cc",
@@ skipping 193 matching lines @@
   }
 
   if (!is_linux && !is_android) {
     sources -= [
       "//third_party/skia/src/ports/SkFontHost_fontconfig.cpp",
       "//third_party/skia/src/ports/SkFontHost_FreeType_common.cpp",
       "//third_party/skia/src/ports/SkFontHost_FreeType.cpp",
     ]
   }
 
-  if (!use_cairo) {
-    sources -= [
+  # Select the right BitmapPlatformDevice.
+  if (is_win) {
+    sources += [
+      "ext/bitmap_platform_device_win.cc",
+      "ext/bitmap_platform_device_win.h",
+    ]
+  } else if (is_mac) {
+    sources += [ 
+      "ext/bitmap_platform_device_mac.cc",
+      "ext/bitmap_platform_device_mac.h",
+    ]
+  } else if (use_cairo) {
+    sources += [
       "ext/bitmap_platform_device_cairo.cc",
       "ext/bitmap_platform_device_cairo.h",
     ]
+  } else {
+    sources += [
+      "ext/bitmap_platform_device_skia.cc",
+      "ext/bitmap_platform_device_skia.h",
+    ]
   }
 
   if (is_clang) {
     # Skia won't compile with some of the more strict clang warnings.
     # e.g. it does:
     #  SkASSERT(!"sk_out_of_memory");
     configs -= [ "//build/config/clang:extra_warnings" ]
   }
 
   configs -= [ "//build/config/compiler:chromium_code" ]
@@ skipping 196 matching lines @@
     ":skia_config",
     "//build/config/compiler:no_chromium_code"
   ]
 
   deps = [
     "//base",
   ]
 
   visibility = ":skia"
 }