C++: Cleanup, removed unused methods/fields.

Change-Id: I5636039c79be40505c707f775b228bc51f35c243
Reviewed-by: Nikolai Kosjar <nikolai.kosjar@digia.com>

src/libs/cplusplus/CppDocument.cpp

@@ -651,11 +651,6 @@ bool Snapshot::isEmpty() const
     return _documents.isEmpty();
 }
 
-Document::Ptr Snapshot::operator[](const QString &fileName) const
-{
-    return _documents.value(fileName, Document::Ptr());
-}
-
 Snapshot::const_iterator Snapshot::find(const QString &fileName) const
 {
     return _documents.find(fileName);

src/libs/cplusplus/CppDocument.h

@@ -377,7 +377,6 @@ public:
 
     bool contains(const QString &fileName) const;
     Document::Ptr document(const QString &fileName) const;
-    Document::Ptr operator[](const QString &fileName) const;
 
     const_iterator find(const QString &fileName) const;
 

src/plugins/cpptools/builtinindexingsupport.cpp

@@ -178,7 +178,6 @@ QFuture<void> BuiltinIndexingSupport::refreshSourceFiles(const QStringList &sour
 
     CppPreprocessor *preproc = new CppPreprocessor(mgr, m_dumpFileNameWhileParsing);
     preproc->setRevision(++m_revision);
-    preproc->setProjectFiles(mgr->projectFiles());
     preproc->setIncludePaths(mgr->includePaths());
     preproc->setFrameworkPaths(mgr->frameworkPaths());
     preproc->setWorkingCopy(workingCopy);

src/plugins/cpptools/cppmodelmanager.cpp

@@ -275,9 +275,6 @@ void CppPreprocessor::addFrameworkPath(const QString &frameworkPath)
     }
 }
 
-void CppPreprocessor::setProjectFiles(const QStringList &files)
-{ m_projectFiles = files; }
-
 void CppPreprocessor::setTodo(const QStringList &files)
 { m_todo = QSet<QString>::fromList(files); }
 

src/plugins/cpptools/cppmodelmanager.h

@@ -308,7 +308,6 @@ private:
     CPlusPlus::Preprocessor m_preprocess;
     QStringList m_includePaths;
     CPlusPlus::CppModelManagerInterface::WorkingCopy m_workingCopy;
-    QStringList m_projectFiles;
     QStringList m_frameworkPaths;
     QSet<QString> m_included;
     CPlusPlus::Document::Ptr m_currentDoc;