Fix copy-paste typo in comment.

src/gpu/GrGpu.h

Index: src/gpu/GrGpu.h
diff --git a/src/gpu/GrGpu.h b/src/gpu/GrGpu.h
index fd134eae2ca8d1eb0f7ce738482da04ce1e66f5d..2e9faa522b6eebb4ad802f26dba0a84300963e95 100644
--- a/src/gpu/GrGpu.h
+++ b/src/gpu/GrGpu.h
@@ -102,7 +102,7 @@ public:
     GrTexture* wrapBackendTexture(const GrBackendTextureDesc&, GrWrapOwnership);
 
     /**
-     * Implements GrTextureProvider::wrapBackendTexture
+     * Implements GrTextureProvider::wrapBackendRenderTarget
      */
     GrRenderTarget* wrapBackendRenderTarget(const GrBackendRenderTargetDesc&, GrWrapOwnership);