Get rid of public wxWebSession::GetHeaders()

This is unnecessary, it can be protected and we can initialize
wxWebRequest::m_headers directly in its ctor instead of using this
function (which also simplifies code and makes it impossible to forget
to do this).

include/wx/webrequest.h

@@ -100,14 +100,7 @@ protected:
     wxFileOffset m_dataSize;
     wxSharedPtr<wxInputStream> m_dataStream;
 
-    wxWebRequest(wxWebSession& session, int id):
+    wxWebRequest(wxWebSession& session, int id);
-        m_storage(Storage_Memory),
-        m_dataSize(0),
-        m_session(session),
-        m_id(id),
-        m_state(State_Idle),
-        m_ignoreServerErrorStatus(false),
-        m_bytesReceived(0) { }
 
     bool CheckServerStatus();
 
@@ -227,8 +220,6 @@ public:
     virtual void SetHeader(const wxString& name, const wxString& value)
     { m_headers[name] = value; }
 
-    const wxWebRequestHeaderMap& GetHeaders() const { return m_headers; }
-
     void SetTempDir(const wxString& dir) { m_tempDir = dir; }
 
     wxString GetTempDir() const;
@@ -245,7 +236,12 @@ public:
 protected:
     wxWebSession();
 
+    const wxWebRequestHeaderMap& GetHeaders() const { return m_headers; }
+
 private:
+    // Make it a friend to allow accessing our m_headers.
+    friend class wxWebRequest;
+
     wxWebRequestHeaderMap m_headers;
     wxString m_tempDir;
 

src/common/webrequest.cpp

@@ -59,6 +59,18 @@ wxDEFINE_EVENT(wxEVT_WEBREQUEST_DATA, wxWebRequestEvent);
 //
 // wxWebRequest
 //
+wxWebRequest::wxWebRequest(wxWebSession& session, int id)
+    : m_storage(Storage_Memory),
+      m_headers(session.m_headers),
+      m_dataSize(0),
+      m_session(session),
+      m_id(id),
+      m_state(State_Idle),
+      m_ignoreServerErrorStatus(false),
+      m_bytesReceived(0)
+{
+}
+
 bool wxWebRequest::CheckServerStatus()
 {
     const wxWebResponse* resp = GetResponse();

src/common/webrequest_curl.cpp

@@ -149,7 +149,6 @@ static size_t wxCURLRead(char *buffer, size_t size, size_t nitems, void *userdat
 wxWebRequestCURL::wxWebRequestCURL(wxWebSession & session, int id, const wxString & url):
     wxWebRequest(session, id)
 {
-    m_headers = session.GetHeaders();
     m_headerList = NULL;
 
     m_handle = curl_easy_init();

src/msw/webrequest_winhttp.cpp

@@ -152,7 +152,6 @@ wxWebRequestWinHTTP::wxWebRequestWinHTTP(int id, wxWebSessionWinHTTP& session, c
     m_request(NULL),
     m_dataWritten(0)
 {
-    m_headers = session.GetHeaders();
 }
 
 wxWebRequestWinHTTP::~wxWebRequestWinHTTP()

src/osx/webrequest_urlsession.mm

@@ -94,7 +94,6 @@ wxWebRequestURLSession::wxWebRequestURLSession(wxWebSessionURLSession& session,
     wxWebRequest(session, id),
     m_url(url)
 {
-    m_headers = session.GetHeaders();
 }
 
 wxWebRequestURLSession::~wxWebRequestURLSession()