ResourceHandler::OnWillStart: Remove min_size argument.

content/browser/download/save_file_resource_handler.cc

Index: content/browser/download/save_file_resource_handler.cc
diff --git a/content/browser/download/save_file_resource_handler.cc b/content/browser/download/save_file_resource_handler.cc
index 6ac4a09e42c478cc50a5638f04c5c3907c4552c3..efea74fb3cc556345c2207a21ab2d72660f154de 100644
--- a/content/browser/download/save_file_resource_handler.cc
+++ b/content/browser/download/save_file_resource_handler.cc
@@ -71,12 +71,11 @@ void SaveFileResourceHandler::OnWillStart(
 }
 
 bool SaveFileResourceHandler::OnWillRead(scoped_refptr<net::IOBuffer>* buf,
-                                         int* buf_size,
-                                         int min_size) {
+                                         int* buf_size) {
   DCHECK_EQ(AuthorizationState::AUTHORIZED, authorization_state_);
   DCHECK(buf && buf_size);
   if (!read_buffer_.get()) {
-    *buf_size = min_size < 0 ? kReadBufSize : min_size;
+    *buf_size = kReadBufSize;
     read_buffer_ = new net::IOBuffer(*buf_size);
   }
   *buf = read_buffer_.get();