Apply automatic range checks to CC enum types across IPC.

cc/output/filter_operation.h

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CC_OUTPUT_FILTER_OPERATION_H_
 #define CC_OUTPUT_FILTER_OPERATION_H_
 
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
 #include "cc/base/cc_export.h"
@@ skipping 19 matching lines @@
     INVERT,
     BRIGHTNESS,
     CONTRAST,
     OPACITY,
     BLUR,
     DROP_SHADOW,
     COLOR_MATRIX,
     ZOOM,
     REFERENCE,
     SATURATING_BRIGHTNESS,  // Not used in CSS/SVG.
+    FILTER_TYPE_LAST = SATURATING_BRIGHTNESS
   };
 
   FilterOperation(const FilterOperation& other);
 
   ~FilterOperation();
 
   FilterType type() const { return type_; }
 
   float amount() const {
     DCHECK_NE(type_, COLOR_MATRIX);
@@ skipping 162 matching lines @@
   gfx::Point drop_shadow_offset_;
   SkColor drop_shadow_color_;
   skia::RefPtr<SkImageFilter> image_filter_;
   SkScalar matrix_[20];
   int zoom_inset_;
 };
 
 }  // namespace cc
 
 #endif  // CC_OUTPUT_FILTER_OPERATION_H_