Plumb through cropped output size for VideoFrame

cc/shader.h

Index: cc/shader.h
diff --git a/cc/shader.h b/cc/shader.h
index 9bf11d51535aeb83edada6c0ce11298c235a6ac3..dd97ab1bbce4b12cc2b34c9332517e818f4c0704 100644
--- a/cc/shader.h
+++ b/cc/shader.h
@@ -35,13 +35,11 @@ public:
     std::string getShaderString() const;
 
     int matrixLocation() const { return m_matrixLocation; }
-    int yWidthScaleFactorLocation() const { return m_yWidthScaleFactorLocation; }
-    int uvWidthScaleFactorLocation() const { return m_uvWidthScaleFactorLocation; }
+    int texScaleLocation() const { return m_texScaleLocation; }
 
 private:
     int m_matrixLocation;
-    int m_yWidthScaleFactorLocation;
-    int m_uvWidthScaleFactorLocation;
+    int m_texScaleLocation;
 };
 
 class VertexShaderPos {