Pass a size_t to PpdLineReader

Change-Id: I05015028fd7ecf82188aad9dff8f31d2b1ed4579
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1874812Reviewed-by: Sean Kau <skau@chromium.org>
Commit-Queue: Bailey Berro <baileyberro@chromium.org>
Cr-Commit-Position: refs/heads/master@{#709251}

chromeos/printing/ppd_line_reader.cc

@@ -180,13 +180,13 @@ constexpr int PpdLineReaderImpl::kReadBufCapacity;
 // static
 std::unique_ptr<PpdLineReader> PpdLineReader::Create(
     const std::string& contents,
-    int max_line_length) {
+    size_t max_line_length) {
   return std::make_unique<PpdLineReaderImpl>(contents, max_line_length);
 }
 
 // static
 bool PpdLineReader::ContainsMagicNumber(const std::string& contents,
-                                        int max_line_length) {
+                                        size_t max_line_length) {
   auto line_reader = PpdLineReader::Create(contents, max_line_length);
   std::string line;
   return line_reader->NextLine(&line) &&

chromeos/printing/ppd_line_reader.h

@@ -23,14 +23,14 @@ class CHROMEOS_EXPORT PpdLineReader {
   // |contents| may or may not be gzip-compressed, and must remain valid and
   // unchanged while the Created PpdReader exists.
   static std::unique_ptr<PpdLineReader> Create(const std::string& contents,
-                                               int max_line_length);
+                                               size_t max_line_length);
 
   // Checks to see whether the file contents in |contents| contains the magic
   // number which is found at the beginning of every PPD file. To verify this,
   // a line reader is created which simply attempts to read the first line and
   // checks whether it contains the magic number.
   static bool ContainsMagicNumber(const std::string& contents,
-                                  int max_line_length);
+                                  size_t max_line_length);
 
   virtual ~PpdLineReader() = default;