Attempt to patch Chrome compiler failures



git-svn-id: http://skia.googlecode.com/svn/trunk@6289 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/include/gpu/GrBackendEffectFactory.h b/include/gpu/GrBackendEffectFactory.h
index 7b43711..f0854af 100644
--- a/include/gpu/GrBackendEffectFactory.h
+++ b/include/gpu/GrBackendEffectFactory.h
@@ -64,9 +64,9 @@
     }
 
     static EffectKey GenID() {
-        static const int32_t kClassIDBits = 8 * sizeof(EffectKey) -
+        GR_DEBUGCODE(static const int32_t kClassIDBits = 8 * sizeof(EffectKey) -
                                             kTextureKeyBits -
-                                            kEffectKeyBits;
+		                            kEffectKeyBits);
         // fCurrEffectClassID has been initialized to kIllegalEffectClassID. The
         // atomic inc returns the old value not the incremented value. So we add
         // 1 to the returned value.