move to modify onCreateDevice virtual

include/core/SkDevice.h

Index: include/core/SkDevice.h
diff --git a/include/core/SkDevice.h b/include/core/SkDevice.h
index 4a61321ff76203b2e2264de518d6bd1cadefa753..1e39e00526d86e3c4ef125dca72f4a1260b33a62 100644
--- a/include/core/SkDevice.h
+++ b/include/core/SkDevice.h
@@ -340,6 +340,17 @@ protected:
 
     void setPixelGeometry(SkPixelGeometry geo);
 
+    struct CreateInfo {
+        CreateInfo(const SkImageInfo& info, Usage usage) : fInfo(info), fUsage(usage) {}
+
+        SkImageInfo fInfo;
+        Usage       fUsage;
+    };
+    virtual SkBaseDevice* onCreateCompatibleDevice(const CreateInfo& cinfo) {
+        // call deprecated method until we can update chrome's subclasses
+        return this->onCreateDevice(cinfo.fInfo, cinfo.fUsage);
+    }
+
 private:
     friend class SkCanvas;
     friend struct DeviceCM; //for setMatrixClip
@@ -366,6 +377,7 @@ private:
     // just called by SkCanvas for imagefilter
     SkBaseDevice* createCompatibleDeviceForImageFilter(const SkImageInfo&);
 
+    // DEPRECATED -- override onCreateCompatibleDevice instead.
     virtual SkBaseDevice* onCreateDevice(const SkImageInfo&, Usage) {
         return NULL;
     }