hack

src/core/SkDevice.cpp

Index: src/core/SkDevice.cpp
===================================================================
--- src/core/SkDevice.cpp	(revision 14079)
+++ src/core/SkDevice.cpp	(working copy)
@@ -175,7 +175,11 @@
     // The base class doesn't perform any analysis but derived classes may
 }
 
-bool SkBaseDevice::EXPERIMENTAL_drawPicture(SkPicture* picture) {
+bool SkBaseDevice::EXPERIMENTAL_drawPicture(SkCanvas* canvas, SkPicture* picture) {
     // The base class doesn't perform any accelerated picture rendering
     return false;
 }
+
+void SkBaseDevice::EXPERIMENTAL_purge() {
+    // Derived-classes may have data to purge
+}