Removed unused member variable and code. (Bug 564074) r=ehsan

editor/libeditor/html/nsHTMLEditor.cpp

@@ -3947,8 +3947,6 @@ NS_IMETHODIMP
 nsHTMLEditor::StartOperation(PRInt32 opID, nsIEditor::EDirection aDirection)
 {
   nsEditor::StartOperation(opID, aDirection);  // will set mAction, mDirection
-  if (! ((mAction==kOpInsertText) || (mAction==kOpInsertIMEText)) )
-    ClearInlineStylesCache();
   if (mRules) return mRules->BeforeEdit(mAction, mDirection);
   return NS_OK;
 }
@@ -3960,8 +3958,6 @@ NS_IMETHODIMP
 nsHTMLEditor::EndOperation()
 {
   // post processing
-  if (! ((mAction==kOpInsertText) || (mAction==kOpInsertIMEText) || (mAction==kOpIgnore)) )
-    ClearInlineStylesCache();
   nsresult res = NS_OK;
   if (mRules) res = mRules->AfterEdit(mAction, mDirection);
   nsEditor::EndOperation();  // will clear mAction, mDirection
@@ -4254,11 +4250,6 @@ nsHTMLEditor::GetEnclosingTable(nsIDOMNode *aNode)
 #pragma mark -
 #endif
 
-void nsHTMLEditor::ClearInlineStylesCache()
-{
-  mCachedNode = nsnull;
-}
-
 #ifdef PRE_NODE_IN_BODY
 nsCOMPtr<nsIDOMElement> nsHTMLEditor::FindPreElement()
 {

editor/libeditor/html/nsHTMLEditor.h

@@ -440,9 +440,6 @@ protected:
   PRBool SetCaretInTableCell(nsIDOMElement* aElement);
   PRBool IsElementInBody(nsIDOMElement* aElement);
 
-  // inline style caching
-  void ClearInlineStylesCache();
-  
   // key event helpers
   NS_IMETHOD TabInTable(PRBool inIsShift, PRBool *outHandled);
   NS_IMETHOD CreateBR(nsIDOMNode *aNode, PRInt32 aOffset, 
@@ -742,8 +739,6 @@ protected:
 
   TypeInState*         mTypeInState;
 
-  nsCOMPtr<nsIDOMNode> mCachedNode;
-
   PRPackedBool mCRInParagraphCreatesParagraph;
 
   PRPackedBool mCSSAware;