High level pdf classes and pdf specific interface.

The guts of the implementation will be in SkPDFDevice and below.  This is a first implementation of everything above that point.

Review URL: http://codereview.appspot.com/2342043

git-svn-id: http://skia.googlecode.com/svn/trunk@602 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/tests/PDFPrimitivesTest.cpp b/tests/PDFPrimitivesTest.cpp
index 7e4465b..5dcb73c 100644
--- a/tests/PDFPrimitivesTest.cpp
+++ b/tests/PDFPrimitivesTest.cpp
@@ -175,12 +175,12 @@
     SkRefPtr<SkPDFStream> stream = new SkPDFStream(streamData.get());
     stream->unref();  // SkRefPtr and new both took a reference.
     CheckObjectOutput(reporter, stream.get(),
-                      "<</Length 12\n>> stream\nTest\nFoo\tBarendstream\n",
+                      "<</Length 12\n>> stream\nTest\nFoo\tBarendstream",
                       true);
     stream->insert(n1.get(), int42.get());
     CheckObjectOutput(reporter, stream.get(),
                       "<</Length 12\n/n1 42\n>> stream\nTest\nFoo\tBar"
-                      "endstream\n",
+                      "endstream",
                       true);
 
     TestCatalog(reporter);