Pass Only the Pasted Text to Spellchecker

third_party/WebKit/Source/core/editing/Editor.cpp

 /*
  * Copyright (C) 2006, 2007, 2008, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies)
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
@@ skipping 494 matching lines @@
     if (smartReplace)
         options |= ReplaceSelectionCommand::SmartReplace;
     if (matchStyle)
         options |= ReplaceSelectionCommand::MatchStyle;
     ASSERT(frame().document());
     ReplaceSelectionCommand::create(*frame().document(), fragment, options, EditActionPaste)->apply();
     revealSelectionAfterEditingOperation();
 
     if (frame().selection().isInPasswordField() || !spellChecker().isContinuousSpellCheckingEnabled())
         return;
-    spellChecker().chunkAndMarkAllMisspellingsAndBadGrammar(frame().selection().rootEditableElement());
+
+    ASSERT(lastEditCommand()->isReplaceSelectionCommand());
+    const EphemeralRange& insertedRange = toReplaceSelectionCommand(lastEditCommand())->insertedRange();
+    if (insertedRange.isNotNull())

[yosin_UTC9, 2016/01/22 09:56:55]

nit: early return style is better.

[Xiaocheng, 2016/01/22 10:24:37]

Done.

+        spellChecker().chunkAndMarkAllMisspellingsAndBadGrammar(frame().selection().rootEditableElement(), insertedRange);
 }
 
 void Editor::replaceSelectionWithText(const String& text, bool selectReplacement, bool smartReplace)
 {
     replaceSelectionWithFragment(createFragmentFromText(selectedRange(), text), selectReplacement, smartReplace, true);
 }
 
 EphemeralRange Editor::selectedRange()
 {
     return frame().selection().selection().toNormalizedEphemeralRange();
@@ skipping 774 matching lines @@
 }
 
 DEFINE_TRACE(Editor)
 {
     visitor->trace(m_frame);
     visitor->trace(m_lastEditCommand);
     visitor->trace(m_mark);
 }
 
 } // namespace blink