Fix some problems detected by coverity.
authorvandebo@chromium.org <vandebo@chromium.org@2bbb7eff-a529-9590-31e7-b0007b416f81>
Tue, 21 Jun 2011 21:19:41 +0000 (21:19 +0000)
committervandebo@chromium.org <vandebo@chromium.org@2bbb7eff-a529-9590-31e7-b0007b416f81>
Tue, 21 Jun 2011 21:19:41 +0000 (21:19 +0000)
commit73322074658e19ff14591236d9b5485910a2c7b7
tree0240384de4e53b2161916d6439e8252c0d736653
parent7359eae7c6fce8cb88ae28ca7048283b77535db4
Fix some problems detected by coverity.

- Uninitialized class member in GSCanonicalEntry and SkPDFDocument.
- Incorrect sign extension in SkPDFFont.
- Dead code in SkPDFUtils.

CID=16262,16272,16273,16275

Review URL: http://codereview.appspot.com/4659041

git-svn-id: http://skia.googlecode.com/svn/trunk@1668 2bbb7eff-a529-9590-31e7-b0007b416f81
include/pdf/SkPDFGraphicState.h
src/pdf/SkPDFDocument.cpp
src/pdf/SkPDFFont.cpp
src/pdf/SkPDFUtils.cpp