Reland r6233 with fix.



git-svn-id: http://skia.googlecode.com/svn/trunk@6241 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/src/gpu/effects/GrConfigConversionEffect.h b/src/gpu/effects/GrConfigConversionEffect.h
index 7c5f03f..5b531d4 100644
--- a/src/gpu/effects/GrConfigConversionEffect.h
+++ b/src/gpu/effects/GrConfigConversionEffect.h
@@ -33,10 +33,12 @@
         kPMConversionCnt
     };
 
-    // This will fail if the config is not 8888 and a PM conversion is requested.
-    static GrEffect* Create(GrTexture*,
-                                 bool swapRedAndBlue,
-                                 PMConversion pmConversion = kNone_PMConversion);
+    // Installs an effect in the GrEffectStage to perform a config conversion.
+    static bool InstallEffect(GrTexture*,
+                              bool swapRedAndBlue,
+                              PMConversion pmConversion,
+                              const GrMatrix& matrix,
+                              GrEffectStage* stage);
 
     static const char* Name() { return "Config Conversion"; }
     typedef GrGLConfigConversionEffect GLEffect;