fixes #13: missing header and footer

Author: Julien Neuhart

chrome.go

@@ -101,14 +101,3 @@ func (req *chromeRequest) PageRanges(ranges string) {
 func (req *chromeRequest) GoogleChromeRpccBufferSize(bufferSize int64) {
 	req.values[googleChromeRpccBufferSize] = strconv.FormatInt(bufferSize, 10)
 }
-
-func (req *chromeRequest) formFiles() map[string]Document {
-	files := make(map[string]Document)
-	if req.header != nil {
-		files["header.html"] = req.header
-	}
-	if req.footer != nil {
-		files["footer.html"] = req.footer
-	}
-	return files
-}

html.go

@@ -26,6 +26,12 @@ func (req *HTMLRequest) postURL() string {
 func (req *HTMLRequest) formFiles() map[string]Document {
 	files := make(map[string]Document)
 	files["index.html"] = req.index
+	if req.header != nil {
+		files["header.html"] = req.header
+	}
+	if req.footer != nil {
+		files["footer.html"] = req.footer
+	}
 	for _, asset := range req.assets {
 		files[asset.Filename()] = asset
 	}

markdown.go

@@ -30,6 +30,12 @@ func (req *MarkdownRequest) formFiles() map[string]Document {
 	for _, markdown := range req.markdowns {
 		files[markdown.Filename()] = markdown
 	}
+	if req.header != nil {
+		files["header.html"] = req.header
+	}
+	if req.footer != nil {
+		files["footer.html"] = req.footer
+	}
 	for _, asset := range req.assets {
 		files[asset.Filename()] = asset
 	}

url.go

@@ -20,14 +20,25 @@ func NewURLRequest(url string) *URLRequest {
 	return req
 }
 
-func (url *URLRequest) postURL() string {
+func (req *URLRequest) postURL() string {
 	return "/convert/url"
 }
 
 // AddRemoteURLHTTPHeader add a remote URL custom HTTP header.
-func (url *URLRequest) AddRemoteURLHTTPHeader(key, value string) {
+func (req *URLRequest) AddRemoteURLHTTPHeader(key, value string) {
 	key = fmt.Sprintf("%s%s", remoteURLBaseHTTPHeaderKey, key)
-	url.httpHeaders[key] = value
+	req.httpHeaders[key] = value
+}
+
+func (req *URLRequest) formFiles() map[string]Document {
+	files := make(map[string]Document)
+	if req.header != nil {
+		files["header.html"] = req.header
+	}
+	if req.footer != nil {
+		files["footer.html"] = req.footer
+	}
+	return files
 }
 
 // Compile-time checks to ensure type implements desired interfaces.