Use int rather than size_t for pathCount in GrDrawTarget::drawPaths

src/gpu/GrGpu.cpp

Index: src/gpu/GrGpu.cpp
diff --git a/src/gpu/GrGpu.cpp b/src/gpu/GrGpu.cpp
index 7c694c9dbc1eb6b51d7fdcbc5274a3db7168e523..d8f65d5205757c0aba802e35e4e303f1abf6ff00 100644
--- a/src/gpu/GrGpu.cpp
+++ b/src/gpu/GrGpu.cpp
@@ -404,7 +404,7 @@ void GrGpu::onDrawPath(const GrPath* path, SkPath::FillType fill,
     this->onGpuDrawPath(path, fill);
 }
 
-void GrGpu::onDrawPaths(size_t pathCount, const GrPath** paths,
+void GrGpu::onDrawPaths(int pathCount, const GrPath** paths,
                         const SkMatrix* transforms, SkPath::FillType fill,
                         SkStrokeRec::Style style,
                         const GrDeviceCoordTexture* dstCopy) {