pdfviewer: code cleanup - add licence on files, make replace __DEFINE__foo with foo_DEFINED to match skia project

Review URL: https://codereview.chromium.org/23361009

git-svn-id: http://skia.googlecode.com/svn/trunk@10854 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/experimental/PdfViewer/pdfparser/native/SkPdfNativeObject.h b/experimental/PdfViewer/pdfparser/native/SkPdfNativeObject.h
index 187f2b8..a06998c 100644
--- a/experimental/PdfViewer/pdfparser/native/SkPdfNativeObject.h
+++ b/experimental/PdfViewer/pdfparser/native/SkPdfNativeObject.h
@@ -1,5 +1,12 @@
-#ifndef EXPERIMENTAL_PDFVIEWER_PDFPARSER_NATIVE_SKPDFOBJECT_H_
-#define EXPERIMENTAL_PDFVIEWER_PDFPARSER_NATIVE_SKPDFOBJECT_H_
+/*
+ * Copyright 2013 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#ifndef SkPdfNativeObject_DEFINED
+#define SkPdfNativeObject_DEFINED
 
 #include <stdint.h>
 #include <string.h>
@@ -1037,4 +1044,4 @@
     }
 };
 
-#endif  // EXPERIMENTAL_PDFVIEWER_PDFPARSER_NATIVE_SKPDFOBJECT_H_
+#endif  // SkPdfNativeObject