Creating functions for uploading a mipmapped texture.

src/gpu/GrSurface.cpp

Index: src/gpu/GrSurface.cpp
diff --git a/src/gpu/GrSurface.cpp b/src/gpu/GrSurface.cpp
index a7be0f47d96cdb890c159623843e6c861a9face5..d90bf24434cc88388970c06eb12597eee930d67d 100644
--- a/src/gpu/GrSurface.cpp
+++ b/src/gpu/GrSurface.cpp
@@ -92,17 +92,27 @@ bool GrSurfacePriv::AdjustWritePixelParams(int surfaceWidth,
 //////////////////////////////////////////////////////////////////////////////
 
 bool GrSurface::writePixels(int left, int top, int width, int height,
-                            GrPixelConfig config, const void* buffer, size_t rowBytes,
+                            GrPixelConfig config, const SkTArray<SkMipMapLevel>& texels,
                             uint32_t pixelOpsFlags) {
     // go through context so that all necessary flushing occurs
     GrContext* context = this->getContext();
     if (nullptr == context) {
         return false;
     }
-    return context->writeSurfacePixels(this, left, top, width, height, config, buffer, rowBytes,
+    return context->writeSurfacePixels(this, left, top, width, height, config, texels,
                                        pixelOpsFlags);
 }
 
+bool GrSurface::writePixels(int left, int top, int width, int height,
+                            GrPixelConfig config, const void* buffer, size_t rowBytes,
+                            uint32_t pixelOpsFlags) {
+    SkMipMapLevel level(buffer, rowBytes);
+    const int levelCount = 1;
+    SkTArray<SkMipMapLevel> texels(levelCount);
+    texels.push_back(level);
+    return this->writePixels(left, top, width, height, config, texels, pixelOpsFlags);
+}
+
 bool GrSurface::readPixels(int left, int top, int width, int height,
                            GrPixelConfig config, void* buffer, size_t rowBytes,
                            uint32_t pixelOpsFlags) {