Fix SkTileImageFilter when srcRect is a superset of bitmap bounds.

include/core/SkImageFilter.h

Index: include/core/SkImageFilter.h
diff --git a/include/core/SkImageFilter.h b/include/core/SkImageFilter.h
index 6ece16c84101d03efc37a3e6b78a18cc6a0de662..1d5bd9431fbeeafd84a7b526b32fd2031c964046 100644
--- a/include/core/SkImageFilter.h
+++ b/include/core/SkImageFilter.h
@@ -111,7 +111,7 @@ public:
     public:
         virtual ~Proxy() {}
 
-        virtual SkBaseDevice* createDevice(int width, int height) = 0;
+        virtual SkBaseDevice* createDevice(int width, int height, bool tile = false) = 0;

[reed1, 2016/01/10 02:25:02]

Does this mean "make the device tileable"? If so, lest add a comment or a more
descriptive name

[Stephen White, 2016/01/11 16:20:30]

Done.

 
         // Returns true if the proxy handled the filter itself. If this returns
         // false then the filter's code will be called.
@@ -124,7 +124,7 @@ public:
     public:
         DeviceProxy(SkBaseDevice* device) : fDevice(device) {}
 
-        SkBaseDevice* createDevice(int width, int height) override;
+        SkBaseDevice* createDevice(int width, int height, bool tile = false) override;
 
         // Returns true if the proxy handled the filter itself. If this returns
         // false then the filter's code will be called.