ResourceHandler::OnWillStart: Remove min_size argument.

content/browser/loader/mime_sniffing_resource_handler.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/browser/loader/mime_sniffing_resource_handler.h"
 
 #include <utility>
 #include <vector>
 
 #include "base/bind.h"
@@ skipping 198 matching lines @@
         response_->head.mime_type == "application/atom+xml") {
       response_->head.mime_type.assign("text/plain");
     }
   }
 
   HoldController(std::move(controller));
   AdvanceState();
 }
 
 bool MimeSniffingResourceHandler::OnWillRead(scoped_refptr<net::IOBuffer>* buf,
-                                             int* buf_size,
-                                             int min_size) {
+                                             int* buf_size) {
   if (state_ == STATE_STREAMING)
-    return next_handler_->OnWillRead(buf, buf_size, min_size);
-
-  DCHECK_EQ(-1, min_size);
+    return next_handler_->OnWillRead(buf, buf_size);
 
   if (read_buffer_.get()) {
     CHECK_LT(bytes_read_, read_buffer_size_);
     *buf = new DependentIOBuffer(read_buffer_.get(), bytes_read_);
     *buf_size = read_buffer_size_ - bytes_read_;
   } else {
-    if (!next_handler_->OnWillRead(buf, buf_size, min_size))
+    if (!next_handler_->OnWillRead(buf, buf_size))
       return false;
 
     read_buffer_ = *buf;
     read_buffer_size_ = *buf_size;
     DCHECK_GE(read_buffer_size_, net::kMaxBytesToSniff * 2);
   }
   return true;
 }
 
 void MimeSniffingResourceHandler::OnReadCompleted(
@@ skipping 316 matching lines @@
 
 void MimeSniffingResourceHandler::OnPluginsLoaded(
     const std::vector<WebPluginInfo>& plugins) {
   // No longer blocking on the plugins being loaded.
   request()->LogUnblocked();
   if (state_ == STATE_BUFFERING)
     AdvanceState();
 }
 
 }  // namespace content