Editing: Remove unreasonable ASSERT_NO_EDITING_ABORT instances.

third_party/WebKit/Source/core/editing/commands/EditingState.h

 // Copyright 2016 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 EditingState_h
 #define EditingState_h
 
 #include "wtf/Allocator.h"
 #include "wtf/Assertions.h"
 #include "wtf/Noncopyable.h"
@@ skipping 47 matching lines @@
 #define ASSERT_IN_EDITING_COMMAND(expr) \
     do { \
         if (!(expr)) { \
             editingState->abort(); \
             return; \
         } \
         break; \
     } while (true)
 
 #if ENABLE(ASSERT)
-// TODO(yosin): Once all commands aware |EditingState|, we get rid of
-// |NoEditingAbortChecker| class
-// This class is inspired by |NoExceptionStateAssertionChecke|.
+// This class is inspired by |NoExceptionStateAssertionChecker|.
 class NoEditingAbortChecker final {
     STACK_ALLOCATED();
     WTF_MAKE_NONCOPYABLE(NoEditingAbortChecker);
 public:
     NoEditingAbortChecker(const char* file, int line);
     ~NoEditingAbortChecker();
 
     EditingState* editingState() { return &m_editingState; }
 
 private:
     EditingState m_editingState;
     const char* const m_file;
     int const m_line;
 };
 
-// A macro for default parameter of |EditingState*| parameter.
-// TODO(yosin): Once all commands aware |EditingState|, we get rid of
-// |ASSERT_NO_EDITING_ABORT| macro.
+// If a function with EditingState* argument should not be aborted,
+// ASSERT_NO_EDITING_ABORT should be specified.
+//    fooFunc(...., ASSERT_NO_EDITING_ABORT);
+// It causes an assertion failure If ENABLE(ASSERT) and the function was aborted
+// unexpectedly.
 #define ASSERT_NO_EDITING_ABORT (NoEditingAbortChecker(__FILE__, __LINE__).editingState())
 #else
 #define ASSERT_NO_EDITING_ABORT (IgnorableEditingAbortState().editingState())
 #endif
 
 } // namespace blink
 
 #endif // EditingState_h