Avoid setting activeTexture redundantly

cc/direct_renderer.h

Index: cc/direct_renderer.h
diff --git a/cc/direct_renderer.h b/cc/direct_renderer.h
index 25a9e466fe5677ae45af812729390d924f0d59f8..716f85824e846de7ec2f80fda86292b7653939b2 100644
--- a/cc/direct_renderer.h
+++ b/cc/direct_renderer.h
@@ -28,10 +28,7 @@ public:
     virtual bool haveCachedResourcesForRenderPassId(RenderPass::Id) const OVERRIDE;
     virtual void drawFrame(const RenderPassList& renderPassesInDrawOrder, const RenderPassIdHashMap& renderPassesById) OVERRIDE;
 
-protected:
-    DirectRenderer(RendererClient* client, ResourceProvider* resourceProvider);
-
-    struct DrawingFrame {
+    struct CC_EXPORT DrawingFrame {
         DrawingFrame();
         ~DrawingFrame();
 
@@ -48,6 +45,9 @@ protected:
         gfx::RectF scissorRectInRenderPassSpace;
     };
 
+protected:
+    DirectRenderer(RendererClient* client, ResourceProvider* resourceProvider);
+
     class CachedResource : public ScopedResource {
     public:
         static scoped_ptr<CachedResource> create(ResourceProvider* resourceProvider) {