Replace ASSERT, ASSERT_NOT_REACHED, and RELEASE_ASSERT in platform/graphics

third_party/WebKit/Source/platform/graphics/GraphicsContextStateSaver.h

 // Copyright (C) 2013 Google Inc. All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //    * Redistributions of source code must retain the above copyright
 // notice, this list of conditions and the following disclaimer.
 //    * Redistributions in binary form must reproduce the above
 // copyright notice, this list of conditions and the following disclaimer
@@ skipping 36 matching lines @@
     if (save_and_restore_)
       context_.Save();
   }
 
   ~GraphicsContextStateSaver() {
     if (save_and_restore_)
       context_.Restore();
   }
 
   void Save() {
-    ASSERT(!save_and_restore_);
+    DCHECK(!save_and_restore_);
     context_.Save();
     save_and_restore_ = true;
   }
 
   void SaveIfNeeded() {
     if (Saved())
       return;
     Save();
   }
 
   void Restore() {
-    ASSERT(save_and_restore_);
+    DCHECK(save_and_restore_);
     context_.Restore();
     save_and_restore_ = false;
   }
 
   GraphicsContext& Context() const { return context_; }
   bool Saved() const { return save_and_restore_; }
 
  private:
   GraphicsContext& context_;
   bool save_and_restore_;
 };
 
 }  // namespace blink
 
 #endif  // GraphicsContextStateSaver_h