CppTools: Break TextDocument dependency of BaseEditorDocumentProcessor

BaseEditorDocumentProcessor was holding a TextEditor::TextDocument but
only used the QTextDocument and the file path.

Change-Id: I349cc95d973adeaf9f94638d84333f592c14e7f9
Reviewed-by: Nikolai Kosjar <nikolai.kosjar@theqtcompany.com>

src/plugins/cpptools/baseeditordocumentprocessor.cpp

@@ -45,9 +45,10 @@ namespace CppTools {
            semantic calculations) after a text document has changed.
 */
 
-BaseEditorDocumentProcessor::BaseEditorDocumentProcessor(
-        TextEditor::TextDocument *document)
-    : m_baseTextDocument(document)
+BaseEditorDocumentProcessor::BaseEditorDocumentProcessor(QTextDocument *textDocument,
+                                                         const QString &filePath)
+    : m_filePath(filePath),
+      m_textDocument(textDocument)
 {
 }
 
@@ -55,11 +56,6 @@ BaseEditorDocumentProcessor::~BaseEditorDocumentProcessor()
 {
 }
 
-TextEditor::TextDocument *BaseEditorDocumentProcessor::baseTextDocument() const
-{
-    return m_baseTextDocument;
-}
-
 TextEditor::QuickFixOperations
 BaseEditorDocumentProcessor::extraRefactoringOperations(const TextEditor::AssistInterface &)
 {