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

R=reed@google.com
TBR=reed@google.com

Author: bsalomon@google.com

Review URL: https://codereview.chromium.org/216293006

git-svn-id: http://skia.googlecode.com/svn/trunk@13988 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/src/gpu/GrGpu.cpp b/src/gpu/GrGpu.cpp
index 7c694c9..d8f65d5 100644
--- a/src/gpu/GrGpu.cpp
+++ b/src/gpu/GrGpu.cpp
@@ -404,7 +404,7 @@
     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) {