Header cleanup in various plugins.

Change-Id: I16b273cc792bfd2035d35e7c67675f039cd387b9
Reviewed-on: http://codereview.qt.nokia.com/3185
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@nokia.com>

src/plugins/cpptools/abstracteditorsupport.cpp

@@ -37,6 +37,7 @@
 #include <cplusplus/Overview.h>
 #include <cplusplus/CppDocument.h>
 #include <cplusplus/ExpressionUnderCursor.h>
+#include <cplusplus/ModelManagerInterface.h>
 #include <CoreTypes.h>
 #include <Names.h>
 #include <Symbols.h>

src/plugins/cpptools/abstracteditorsupport.h

@@ -35,7 +35,11 @@
 
 #include "cpptools_global.h"
 
-#include <cplusplus/ModelManagerInterface.h>
+#include <QtCore/QString>
+
+namespace CPlusPlus {
+class CppModelManagerInterface;
+}
 
 namespace CppTools {
 

src/plugins/cpptools/cppqtstyleindenter.h

@@ -34,8 +34,8 @@
 #define CPPQTSTYLEINDENTER_H
 
 #include "cpptools_global.h"
+
 #include <texteditor/indenter.h>
-#include "cppcodestylesettingspage.h"
 
 namespace TextEditor
 {
@@ -43,6 +43,8 @@ class IFallbackPreferences;
 }
 
 namespace CppTools {
+class CppCodeStyleSettings;
+class CppCodeStylePreferences;
 
 class CPPTOOLS_EXPORT CppQtStyleIndenter : public TextEditor::Indenter
 {

src/plugins/cpptools/insertionpointlocator.cpp

@@ -38,6 +38,7 @@
 #include <ASTVisitor.h>
 #include <TranslationUnit.h>
 #include <Literals.h>
+#include <Symbols.h>
 
 #include <coreplugin/icore.h>
 #include <coreplugin/mimedatabase.h>

src/plugins/cpptools/insertionpointlocator.h

@@ -37,7 +37,6 @@
 
 #include <ASTfwd.h>
 #include <CPlusPlusForwardDeclarations.h>
-#include <Symbols.h>
 
 #include <cplusplus/CppDocument.h>