Adds PrintingContext implementation stub for Android.

chrome/renderer/printing/print_web_view_helper_linux.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 "chrome/renderer/printing/print_web_view_helper.h"
 
-#include "base/file_descriptor_posix.h"
-#include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
-#include "base/metrics/histogram.h"
 #include "chrome/common/print_messages.h"
 #include "content/public/renderer/render_thread.h"
 #include "printing/metafile.h"
 #include "printing/metafile_impl.h"
 #include "printing/metafile_skia_wrapper.h"
 #include "printing/page_size_margins.h"
 #include "skia/ext/platform_device.h"
 #include "skia/ext/vector_canvas.h"
 #include "third_party/WebKit/public/web/WebFrame.h"
 
-#if !defined(OS_CHROMEOS)
+#if !defined(OS_CHROMEOS) && !defined(OS_ANDROID)
 #include "base/process/process_handle.h"
-#endif  // !defined(OS_CHROMEOS)
+#else
+#include "base/file_descriptor_posix.h"
+#endif  // !defined(OS_CHROMEOS) && !defined(OS_ANDROID)
 
 namespace printing {
 
 using WebKit::WebFrame;
 using WebKit::WebNode;
 
 bool PrintWebViewHelper::RenderPreviewPage(
     int page_number,
     const PrintMsg_Print_Params& print_params) {
   PrintMsg_PrintPage_Params page_params;
   page_params.params = print_params;
   page_params.page_number = page_number;
   scoped_ptr<Metafile> draft_metafile;
   Metafile* initial_render_metafile = print_preview_context_.metafile();
   if (print_preview_context_.IsModifiable() && is_print_ready_metafile_sent_) {
     draft_metafile.reset(new PreviewMetafile);
     initial_render_metafile = draft_metafile.get();
   }
 
   base::TimeTicks begin_time = base::TimeTicks::Now();
-  PrintPageInternal(page_params,
-                    print_preview_context_.GetPrintCanvasSize(),
+  PrintPageInternal(page_params, print_preview_context_.GetPrintCanvasSize(),

[whywhat, 2013/08/15 20:19:56]

Return this back to the next line

[cimamoglu1, 2013/08/16 17:20:38]

Done.

                     print_preview_context_.prepared_frame(),
                     initial_render_metafile);
   print_preview_context_.RenderedPreviewPage(
       base::TimeTicks::Now() - begin_time);
   if (draft_metafile.get()) {
     draft_metafile->FinishDocument();
   } else if (print_preview_context_.IsModifiable() &&
              print_preview_context_.generate_draft_pages()) {
     DCHECK(!draft_metafile.get());
     draft_metafile.reset(
@@ skipping 38 matching lines @@
 
   // WebKit::printEnd() for PDF should be called before metafile is closed.
   FinishFramePrinting();
 
   metafile.FinishDocument();
 
   // Get the size of the resulting metafile.
   uint32 buf_size = metafile.GetDataSize();
   DCHECK_GT(buf_size, 0u);
 
-#if defined(OS_CHROMEOS)
+#if defined(OS_CHROMEOS) || defined(OS_ANDROID)
   int sequence_number = -1;
   base::FileDescriptor fd;
 
   // Ask the browser to open a file for us.
-  Send(new PrintHostMsg_AllocateTempFileForPrinting(&fd, &sequence_number));
+  Send(new PrintHostMsg_AllocateTempFileForPrinting(routing_id(),
+                                                    &fd,
+                                                    &sequence_number));
   if (!metafile.SaveToFD(fd))
-    return false;
+  return false;

[whywhat, 2013/08/15 20:19:56]

Fix indent here.

[cimamoglu1, 2013/08/16 17:20:38]

Done.

 
   // Tell the browser we've finished writing the file.
   Send(new PrintHostMsg_TempFileForPrintingWritten(routing_id(),
                                                    sequence_number));
   return true;
 #else
   PrintHostMsg_DidPrintPage_Params printed_page_params;
   printed_page_params.data_size = 0;
   printed_page_params.document_cookie = params.params.document_cookie;
 
@@ skipping 66 matching lines @@
   }
   RenderPageContent(frame, params.page_number, canvas_area, content_area,
                     scale_factor, canvas.get());
 
   // Done printing. Close the device context to retrieve the compiled metafile.
   if (!metafile->FinishPage())
     NOTREACHED() << "metafile failed";
 }
 
 }  // namespace printing