Simplify some CloudPrintProxy code.

pdf/document_loader.h

 // Copyright (c) 2010 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.
 
 #ifndef PDF_DOCUMENT_LOADER_H_
 #define PDF_DOCUMENT_LOADER_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 33 matching lines @@
   explicit DocumentLoader(Client* client);
   ~DocumentLoader();
 
   bool Init(const pp::URLLoader& loader,
             const std::string& url,
             const std::string& headers);
 
   // Data access interface. Return true is successful.
   bool GetBlock(uint32_t position, uint32_t size, void* buf) const;
 
-  // Data availability interface. Return true data avaialble.
+  // Data availability interface. Return true data available.
   bool IsDataAvailable(uint32_t position, uint32_t size) const;
 
-  // Data availability interface. Return true data avaialble.
+  // Data availability interface. Return true data available.
   void RequestData(uint32_t position, uint32_t size);
 
   bool IsDocumentComplete() const;
   uint32_t document_size() const { return document_size_; }
 
   // Return number of bytes available.
   uint32_t GetAvailableData() const;
 
   // Clear pending requests from the queue.
   void ClearPendingRequests();
@@ skipping 59 matching lines @@
   bool header_request_;
   bool is_multipart_;
   std::string multipart_boundary_;
   uint32_t requests_count_;
   std::vector<std::vector<unsigned char> > chunk_buffer_;
 };
 
 }  // namespace chrome_pdf
 
 #endif  // PDF_DOCUMENT_LOADER_H_