Use tighter typing in editing: PlainTextRange / ReplaceNodeWithSpanCommand

Source/web/WebViewImpl.cpp

 /*
  * Copyright (C) 2011, 2012 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
@@ skipping 2140 matching lines @@
 
     Frame* focusedFrame = focusedWebCoreFrame();
     if (!focusedFrame->isLocalFrame())
         return info;
 
     LocalFrame* focused = toLocalFrame(focusedFrame);
     if (!focused)
         return info;
 
     FrameSelection& selection = focused->selection();
-    Node* node = selection.selection().rootEditableElement();
-    if (!node)
+    Element* element = selection.selection().rootEditableElement();
+    if (!element)
         return info;
 
     info.inputMode = inputModeOfFocusedElement();
 
     info.type = textInputType();
     if (info.type == WebTextInputTypeNone)
         return info;
 
     if (!focused->editor().canEdit())
         return info;
 
     // Emits an object replacement character for each replaced element so that
     // it is exposed to IME and thus could be deleted by IME on android.
-    info.value = plainText(rangeOfContents(node).get(), TextIteratorEmitsObjectReplacementCharacter);
+    info.value = plainText(rangeOfContents(element).get(), TextIteratorEmitsObjectReplacementCharacter);
 
     if (info.value.isEmpty())
         return info;
 
     if (RefPtrWillBeRawPtr<Range> range = selection.selection().firstRange()) {
-        PlainTextRange plainTextRange(PlainTextRange::create(*node, *range.get()));
+        PlainTextRange plainTextRange(PlainTextRange::create(*element, *range.get()));
         if (plainTextRange.isNotNull()) {
             info.selectionStart = plainTextRange.start();
             info.selectionEnd = plainTextRange.end();
         }
     }
 
     if (RefPtrWillBeRawPtr<Range> range = focused->inputMethodController().compositionRange()) {
-        PlainTextRange plainTextRange(PlainTextRange::create(*node, *range.get()));
+        PlainTextRange plainTextRange(PlainTextRange::create(*element, *range.get()));
         if (plainTextRange.isNotNull()) {
             info.compositionStart = plainTextRange.start();
             info.compositionEnd = plainTextRange.end();
         }
     }
 
     return info;
 }
 
 WebTextInputType WebViewImpl::textInputType()
@@ skipping 2031 matching lines @@
     const PageScaleConstraints& constraints = m_pageScaleConstraintsSet.pageDefinedConstraints();
 
     if (!mainFrameImpl() || !mainFrameImpl()->frameView())
         return false;
 
     return mainFrameImpl()->frameView()->layoutSize().width() == m_size.width
         || (constraints.minimumScale == constraints.maximumScale && constraints.minimumScale != -1);
 }
 
 } // namespace blink