Revert "Add sizeInBytes to GrResource, make GrRenderTarget aware of its pixel config (r1951)"

Temporarily revert this change in order to roll other changes into Chrome.

TBR=bsalomon@google.com

Review URL: http://codereview.appspot.com/4807051

git-svn-id: http://skia.googlecode.com/svn/trunk@1958 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/gpu/include/GrGLTexture.h b/gpu/include/GrGLTexture.h
index 53dcd22..fe2fa28 100644
--- a/gpu/include/GrGLTexture.h
+++ b/gpu/include/GrGLTexture.h
@@ -67,7 +67,6 @@
     GrGLRenderTarget(GrGpuGL* gpu,
                      const GLRenderTargetIDs& ids,
                      GrGLTexID* texID,
-                     GrPixelConfig config,
                      GrGLuint stencilBits,
                      bool isMultisampled,
                      const GrGLIRect& fViewport,
@@ -178,7 +177,7 @@
                                    int height,
                                    const void* srcData,
                                    size_t rowBytes);
-    virtual intptr_t getTextureHandle() const;
+    virtual intptr_t getTextureHandle();
 
     const TexParams& getTexParams() const { return fTexParams; }
     void setTexParams(const TexParams& texParams) { fTexParams = texParams; }