Fix uninitialized Render Target origin issue in debugger

https://codereview.appspot.com/7314066/



git-svn-id: http://skia.googlecode.com/svn/trunk@7682 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/debugger/QT/SkGLWidget.cpp b/debugger/QT/SkGLWidget.cpp
index 6ab860c..6343a8b 100644
--- a/debugger/QT/SkGLWidget.cpp
+++ b/debugger/QT/SkGLWidget.cpp
@@ -29,6 +29,7 @@
     fCurIntf = GrGLCreateNativeInterface();
     fCurContext = GrContext::Create(kOpenGL_GrBackend, (GrBackendContext) fCurIntf);
     GrBackendRenderTargetDesc desc = this->getDesc(this->width(), this->height());
+    desc.fOrigin = kBottomLeft_GrSurfaceOrigin;
     GrRenderTarget* curRenderTarget = fCurContext->wrapBackendRenderTarget(desc);
     fGpuDevice = new SkGpuDevice(fCurContext, curRenderTarget);
     fCanvas = new SkCanvas(fGpuDevice);
@@ -41,6 +42,7 @@
 
 void SkGLWidget::resizeGL(int w, int h) {
     GrBackendRenderTargetDesc desc = this->getDesc(w, h);
+    desc.fOrigin = kBottomLeft_GrSurfaceOrigin;
     GrRenderTarget* curRenderTarget = fCurContext->wrapBackendRenderTarget(desc);
     SkSafeUnref(fGpuDevice);
     SkSafeUnref(fCanvas);