Add code needed to build skia as a windows dll within the chromium project.
- Export/import skia APIs if SKIA_DLL is defined.
- This change has no effect on skia.

Review URL: http://codereview.appspot.com/4282042

git-svn-id: http://skia.googlecode.com/svn/trunk@944 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/include/effects/SkDashPathEffect.h b/include/effects/SkDashPathEffect.h
index cc414e3..145f67d 100644
--- a/include/effects/SkDashPathEffect.h
+++ b/include/effects/SkDashPathEffect.h
@@ -23,7 +23,7 @@
 
     SkDashPathEffect is a subclass of SkPathEffect that implements dashing
 */
-class SkDashPathEffect : public SkPathEffect {
+class SK_API SkDashPathEffect : public SkPathEffect {
 public:
     /** The intervals array must contain an even number of entries (>=2), with the even
         indices specifying the "on" intervals, and the odd indices specifying the "off"