Use tighter typing in editing/

Use tighter typing in editing/ to increase code readability. This CL focuses
on ApplyBlockElementCommand.

R=leviw@chromium.org

Review URL: https://codereview.chromium.org/413363004

git-svn-id: svn://svn.chromium.org/blink/trunk@178950 bbb929c8-8fbe-4397-9dbb-9b2b20218538

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

@@ -111,7 +111,7 @@ void ApplyBlockElementCommand::formatSelection(const VisiblePosition& startOfSel
     // and there's nothing to move.
     Position start = startOfSelection.deepEquivalent().downstream();
     if (isAtUnsplittableElement(start)) {
-        RefPtrWillBeRawPtr<Element> blockquote = createBlockElement();
+        RefPtrWillBeRawPtr<HTMLElement> blockquote = createBlockElement();
         insertNodeAt(blockquote, start);
         RefPtrWillBeRawPtr<Element> placeholder = createBreakElement(document());
         appendNode(placeholder, blockquote);
@@ -119,7 +119,7 @@ void ApplyBlockElementCommand::formatSelection(const VisiblePosition& startOfSel
         return;
     }
 
-    RefPtrWillBeRawPtr<Element> blockquoteForNextIndent = nullptr;
+    RefPtrWillBeRawPtr<HTMLElement> blockquoteForNextIndent = nullptr;
     VisiblePosition endOfCurrentParagraph = endOfParagraph(startOfSelection);
     VisiblePosition endOfLastParagraph = endOfParagraph(endOfSelection);
     VisiblePosition endAfterSelection = endOfParagraph(endOfLastParagraph.next());
@@ -280,9 +280,9 @@ VisiblePosition ApplyBlockElementCommand::endOfNextParagrahSplittingTextNodesIfN
     return VisiblePosition(Position(text.get(), position.offsetInContainerNode() - 1));
 }
 
-PassRefPtrWillBeRawPtr<Element> ApplyBlockElementCommand::createBlockElement() const
+PassRefPtrWillBeRawPtr<HTMLElement> ApplyBlockElementCommand::createBlockElement() const
 {
-    RefPtrWillBeRawPtr<Element> element = createHTMLElement(document(), m_tagName);
+    RefPtrWillBeRawPtr<HTMLElement> element = createHTMLElement(document(), m_tagName);
     if (m_inlineStyle.length())
         element->setAttribute(styleAttr, m_inlineStyle);
     return element.release();

third_party/WebKit/Source/core/editing/ApplyBlockElementCommand.h

@@ -42,14 +42,14 @@ protected:
     ApplyBlockElementCommand(Document&, const QualifiedName& tagName);
 
     virtual void formatSelection(const VisiblePosition& startOfSelection, const VisiblePosition& endOfSelection);
-    PassRefPtrWillBeRawPtr<Element> createBlockElement() const;
+    PassRefPtrWillBeRawPtr<HTMLElement> createBlockElement() const;
     const QualifiedName tagName() const { return m_tagName; }
 
     virtual void trace(Visitor*) OVERRIDE;
 
 private:
     virtual void doApply() OVERRIDE FINAL;
-    virtual void formatRange(const Position& start, const Position& end, const Position& endOfSelection, RefPtrWillBeRawPtr<Element>&) = 0;
+    virtual void formatRange(const Position& start, const Position& end, const Position& endOfSelection, RefPtrWillBeRawPtr<HTMLElement>&) = 0;
     void rangeForParagraphSplittingTextNodesIfNeeded(const VisiblePosition&, Position&, Position&);
     VisiblePosition endOfNextParagrahSplittingTextNodesIfNeeded(VisiblePosition&, Position&, Position&);
 

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

@@ -59,7 +59,7 @@ void FormatBlockCommand::formatSelection(const VisiblePosition& startOfSelection
     m_didApply = true;
 }
 
-void FormatBlockCommand::formatRange(const Position& start, const Position& end, const Position& endOfSelection, RefPtrWillBeRawPtr<Element>& blockNode)
+void FormatBlockCommand::formatRange(const Position& start, const Position& end, const Position& endOfSelection, RefPtrWillBeRawPtr<HTMLElement>& blockNode)
 {
     Element* refNode = enclosingBlockFlowElement(VisiblePosition(end));
     Element* root = editableRootForPosition(start);

third_party/WebKit/Source/core/editing/FormatBlockCommand.h

@@ -54,7 +54,7 @@ private:
     FormatBlockCommand(Document&, const QualifiedName& tagName);
 
     virtual void formatSelection(const VisiblePosition& startOfSelection, const VisiblePosition& endOfSelection) OVERRIDE;
-    virtual void formatRange(const Position& start, const Position& end, const Position& endOfSelection, RefPtrWillBeRawPtr<Element>&) OVERRIDE;
+    virtual void formatRange(const Position& start, const Position& end, const Position& endOfSelection, RefPtrWillBeRawPtr<HTMLElement>&) OVERRIDE;
     virtual EditAction editingAction() const OVERRIDE { return EditActionFormatBlock; }
 
     bool m_didApply;

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

@@ -93,7 +93,7 @@ bool IndentOutdentCommand::tryIndentingAsListItem(const Position& start, const P
     return true;
 }
 
-void IndentOutdentCommand::indentIntoBlockquote(const Position& start, const Position& end, RefPtrWillBeRawPtr<Element>& targetBlockquote)
+void IndentOutdentCommand::indentIntoBlockquote(const Position& start, const Position& end, RefPtrWillBeRawPtr<HTMLElement>& targetBlockquote)
 {
     Node* enclosingCell = enclosingNodeOfType(start, &isTableCell);
     Node* nodeToSplitTo;
@@ -243,7 +243,7 @@ void IndentOutdentCommand::formatSelection(const VisiblePosition& startOfSelecti
         outdentRegion(startOfSelection, endOfSelection);
 }
 
-void IndentOutdentCommand::formatRange(const Position& start, const Position& end, const Position&, RefPtrWillBeRawPtr<Element>& blockquoteForNextIndent)
+void IndentOutdentCommand::formatRange(const Position& start, const Position& end, const Position&, RefPtrWillBeRawPtr<HTMLElement>& blockquoteForNextIndent)
 {
     if (tryIndentingAsListItem(start, end))
         blockquoteForNextIndent = nullptr;

third_party/WebKit/Source/core/editing/IndentOutdentCommand.h

@@ -49,10 +49,10 @@ private:
     void outdentRegion(const VisiblePosition&, const VisiblePosition&);
     void outdentParagraph();
     bool tryIndentingAsListItem(const Position&, const Position&);
-    void indentIntoBlockquote(const Position&, const Position&, RefPtrWillBeRawPtr<Element>&);
+    void indentIntoBlockquote(const Position&, const Position&, RefPtrWillBeRawPtr<HTMLElement>&);
 
     virtual void formatSelection(const VisiblePosition& startOfSelection, const VisiblePosition& endOfSelection) OVERRIDE;
-    virtual void formatRange(const Position& start, const Position& end, const Position& endOfSelection, RefPtrWillBeRawPtr<Element>& blockquoteForNextIndent) OVERRIDE;
+    virtual void formatRange(const Position& start, const Position& end, const Position& endOfSelection, RefPtrWillBeRawPtr<HTMLElement>& blockquoteForNextIndent) OVERRIDE;
 
     EIndentType m_typeOfAction;
 };