SkPDF: allow PDF module to be disabled in DM and SampleApp

To disable PDF:

    GYP_DEFINES='skia_pdf=0' bin/sync-and-gyp
    ninja -C out/Debug dm SampleApp

When disabled, SkDocument::CreatePDF() always returns NULL.

Review URL: https://codereview.chromium.org/1279123007

1 files changed, 9 insertions, 0 deletions

diff --git a/src/doc/SkDocument_PDF_None.cpp b/src/doc/SkDocument_PDF_None.cpp
new file mode 100644
index 0000000000..4759acf2a0
--- /dev/null
+++ b/src/doc/SkDocument_PDF_None.cpp
@@ -0,0 +1,9 @@
+/*
+ * Copyright 2015 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+#include "SkDocument.h"
+SkDocument* SkDocument::CreatePDF(SkWStream*, SkScalar) { return  NULL; }
+SkDocument* SkDocument::CreatePDF(const char path[], SkScalar) { return NULL; }