Linux: Refactor printing to be more like Windows/Mac....

chrome/renderer/mock_render_thread.cc

-// Copyright (c) 2010 The Chromium Authors. All rights reserved.
+// Copyright (c) 2011 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 "chrome/renderer/mock_render_thread.h"
 
 #include <fcntl.h>
 
 #include "base/file_util.h"
 #include "base/process_util.h"
 #include "chrome/common/render_messages.h"
@@ skipping 93 matching lines @@
                         OnDidGetPrintedPagesCount)
     IPC_MESSAGE_HANDLER(ViewHostMsg_DidPrintPage, OnDidPrintPage)
 #endif
 #if defined(OS_WIN)
     IPC_MESSAGE_HANDLER(ViewHostMsg_DuplicateSection, OnDuplicateSection)
 #endif
 #if defined(OS_POSIX)
     IPC_MESSAGE_HANDLER(ViewHostMsg_AllocateSharedMemoryBuffer,
                         OnAllocateSharedMemoryBuffer)
 #endif
-#if defined(OS_LINUX)
+#if defined(OS_CHROMEOS)
     IPC_MESSAGE_HANDLER(ViewHostMsg_AllocateTempFileForPrinting,
                         OnAllocateTempFileForPrinting)
     IPC_MESSAGE_HANDLER(ViewHostMsg_TempFileForPrintingWritten,
                         OnTempFileForPrintingWritten)
 #endif
     IPC_MESSAGE_UNHANDLED(handled = false)
   IPC_END_MESSAGE_MAP_EX()
   return handled;
 }
 
@@ skipping 28 matching lines @@
   base::SharedMemory shared_buf;
   if (!shared_buf.CreateAndMapAnonymous(buffer_size)) {
     *handle = base::SharedMemory::NULLHandle();
     NOTREACHED() << "Cannot map shared memory buffer";
     return;
   }
   shared_buf.GiveToProcess(base::GetCurrentProcessHandle(), handle);
 }
 #endif
 
-#if defined(OS_LINUX)
+#if defined(OS_CHROMEOS)
 void MockRenderThread::OnAllocateTempFileForPrinting(
     base::FileDescriptor* renderer_fd,
     int* browser_fd) {
   renderer_fd->fd = *browser_fd = -1;
   renderer_fd->auto_close = false;
 
   FilePath path;
   if (file_util::CreateTemporaryFile(&path)) {
     int fd = open(path.value().c_str(), O_WRONLY);
     DCHECK_GE(fd, 0);
     renderer_fd->fd = *browser_fd = fd;
   }
 }
 
 void MockRenderThread::OnTempFileForPrintingWritten(int browser_fd) {
   close(browser_fd);
 }
-#endif
+#endif  // defined(OS_CHROMEOS)
 
 void MockRenderThread::OnGetDefaultPrintSettings(ViewMsg_Print_Params* params) {
   if (printer_.get())
     printer_->GetDefaultPrintSettings(params);
 }
 
 void MockRenderThread::OnScriptedPrint(
     const ViewHostMsg_ScriptedPrint_Params& params,
     ViewMsg_PrintPages_Params* settings) {
   if (printer_.get()) {
     printer_->ScriptedPrint(params.cookie,
                             params.expected_pages_count,
                             params.has_selection,
                             settings);
   }
 }
 
 void MockRenderThread::OnDidGetPrintedPagesCount(int cookie, int number_pages) {
   if (printer_.get())
     printer_->SetPrintedPagesCount(cookie, number_pages);
 }
 
 void MockRenderThread::OnDidPrintPage(
     const ViewHostMsg_DidPrintPage_Params& params) {
   if (printer_.get())
     printer_->PrintPage(params);
 }