pdfviewer: more code comments + concat the pdf matrix with the existing matrix in canvas, instead of reseting it.

Review URL: https://codereview.chromium.org/27057003

git-svn-id: http://skia.googlecode.com/svn/trunk@11735 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/experimental/PdfViewer/SkPdfReporter.cpp b/experimental/PdfViewer/SkPdfReporter.cpp
index 4506c33..68b4600 100644
--- a/experimental/PdfViewer/SkPdfReporter.cpp
+++ b/experimental/PdfViewer/SkPdfReporter.cpp
@@ -28,6 +28,10 @@
 }
 
 // TODO(edisonn): add a flag to set the minimum warning level
+// TODO(edisonn): get the address in the file, and report it.
+// TODO(edisonn): build a html file based on warnings which would showe the original pdf
+//                content, with tooltips where warnings/errors were reported.
+
 
 #ifdef PDF_REPORT
 void SkPdfReport(SkPdfIssueSeverity sev, SkPdfIssue issue,