Remove SK_SUPPORT_LEGACY_DEEPFLATTENING.

gm/imagefiltersbase.cpp

Index: gm/imagefiltersbase.cpp
diff --git a/gm/imagefiltersbase.cpp b/gm/imagefiltersbase.cpp
index 4546b8add2486a5e17545d0f05be05b9bbd74b60..749334a61ea28154aa86e27be25895252fb244c7 100644
--- a/gm/imagefiltersbase.cpp
+++ b/gm/imagefiltersbase.cpp
@@ -22,11 +22,7 @@ public:
     public:
         Registrar() {
             SkFlattenable::Register("FailImageFilter",
-#ifdef SK_SUPPORT_LEGACY_DEEPFLATTENING
-                                    FailImageFilter::DeepCreateProc,
-#else
                                     FailImageFilter::CreateProc,
-#endif
                                     FailImageFilter::GetFlattenableType());
         }
     };
@@ -44,10 +40,6 @@ protected:
         return false;
     }
 
-#ifdef SK_SUPPORT_LEGACY_DEEPFLATTENING
-    FailImageFilter(SkReadBuffer& buffer) : INHERITED(0, buffer) {}
-#endif
-
 private:
     typedef SkImageFilter INHERITED;
 };
@@ -65,11 +57,7 @@ public:
     public:
         Registrar() {
             SkFlattenable::Register("IdentityImageFilter",
-#ifdef SK_SUPPORT_LEGACY_DEEPFLATTENING
-                                    IdentityImageFilter::DeepCreateProc,
-#else
                                     IdentityImageFilter::CreateProc,
-#endif
                                     IdentityImageFilter::GetFlattenableType());
         }
     };
@@ -88,10 +76,6 @@ protected:
         return true;
     }
 
-#ifdef SK_SUPPORT_LEGACY_DEEPFLATTENING
-    IdentityImageFilter(SkReadBuffer& buffer) : INHERITED(1, buffer) {}
-#endif
-
 private:
     typedef SkImageFilter INHERITED;
 };