| Index: tools/vulkan/viewer/Slide.h | 
| diff --git a/tools/vulkan/viewer/Slide.h b/tools/vulkan/viewer/Slide.h | 
| index f75e3fd6c5815b57d158cb38cfcfd52480b07b4c..cdc225b0a8c24b74762d075d6a4f6b21a1353909 100644 | 
| --- a/tools/vulkan/viewer/Slide.h | 
| +++ b/tools/vulkan/viewer/Slide.h | 
| @@ -9,6 +9,7 @@ | 
| #define Slide_DEFINED | 
|  | 
| #include "SkRefCnt.h" | 
| +#include "SkSize.h" | 
| #include "SkString.h" | 
|  | 
| class SkCanvas; | 
| @@ -18,6 +19,8 @@ class Slide : public SkRefCnt { | 
| public: | 
| virtual ~Slide() {} | 
|  | 
| +    virtual SkISize getDimensions() const = 0; | 
| + | 
| virtual void draw(SkCanvas* canvas) = 0; | 
| virtual bool animate(const SkAnimTimer&) { return false;  } | 
| virtual void load() {} | 
|  |