Enabling Skia / Moterm to build with PNaCl Newlib toolchain

skia/ext/platform_device.cc

Index: skia/ext/platform_device.cc
diff --git a/skia/ext/platform_device.cc b/skia/ext/platform_device.cc
index ae720dfb45a0eb4b825d1104b16b2134c20bece7..1a76bc45af5b80c13db1b382ba820e19269fb62f 100644
--- a/skia/ext/platform_device.cc
+++ b/skia/ext/platform_device.cc
@@ -73,6 +73,18 @@ bool IsPreviewMetafile(const SkCanvas& canvas) {
 }
 #endif
 
+// For platforms without "platform_device_*" specific files,
+// include default behaviors for necessary methods to compile.
+#if defined(OS_NACL)
+PlatformSurface PlatformDevice::BeginPlatformPaint() {
+  return NULL;
+}
+
+void PlatformDevice::EndPlatformPaint() {
+  // By default, do nothing here.
+}
+#endif
+
 bool PlatformDevice::SupportsPlatformPaint() {
   return true;
 }