Made Image11::getStagingTexture private and removed the undefined…

src/libGLESv2/renderer/Image11.cpp

@@ -111,13 +111,6 @@ bool Image11::isDirty() const
     return (mStagingTexture && mDirty);
 }
 
-ID3D11Texture2D *Image11::getStagingTexture()
-{
-    createStagingTexture();
-
-    return mStagingTexture;
-}
-
 bool Image11::updateSurface(TextureStorageInterface2D *storage, int level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height)
 {
     TextureStorage11_2D *storage11 = TextureStorage11_2D::makeTextureStorage11_2D(storage->getStorageInstance());
@@ -362,6 +355,13 @@ void Image11::copy(GLint xoffset, GLint yoffset, GLint x, GLint y, GLsizei width
     }
 }
 
+ID3D11Texture2D *Image11::getStagingTexture()
+{
+    createStagingTexture();
+
+    return mStagingTexture;
+}
+
 void Image11::createStagingTexture()
 {
     if (mStagingTexture)

src/libGLESv2/renderer/Image11.h

@@ -37,7 +37,6 @@ class Image11 : public Image
     static void generateMipmap(Image11 *dest, Image11 *src);
 
     virtual bool isDirty() const;
-    ID3D11Texture2D *getStagingTexture();
 
     virtual bool updateSurface(TextureStorageInterface2D *storage, int level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height);
     virtual bool updateSurface(TextureStorageInterfaceCube *storage, int face, int level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height);
@@ -61,8 +60,8 @@ class Image11 : public Image
   private:
     DISALLOW_COPY_AND_ASSIGN(Image11);
 
+    ID3D11Texture2D *getStagingTexture();
     void createStagingTexture();
-    bool updateStagingTexture(GLint xoffset, GLint yoffset, GLsizei width, GLsizei height);
 
     Renderer11 *mRenderer;