c2hal: Emit camelCase and PascalCase things.

Test: built, verified test headers output. Made sure it still worked on
opengl/telephony/libhardware headers.

Change-Id: Iabeb0e912dc7df6b2eae76b962531a30c83593bf
diff --git a/c2hal/Declaration.h b/c2hal/Declaration.h
index fff73ea..1c76441 100644
--- a/c2hal/Declaration.h
+++ b/c2hal/Declaration.h
@@ -32,7 +32,10 @@
     virtual ~Declaration();
 
     const std::string &getName() const;
-    void setName(const std::string &name);
+    virtual void setName(const std::string &name);
+
+    void forceCamelCase();
+    void forcePascalCase();
 
     const std::string& getComment() const;
     void setComment(const std::string &comment);