Adds PrintingContext implementation stub for Android.

chrome/renderer/printing/print_web_view_helper_linux.cc

Index: chrome/renderer/printing/print_web_view_helper_linux.cc
diff --git a/chrome/renderer/printing/print_web_view_helper_linux.cc b/chrome/renderer/printing/print_web_view_helper_linux.cc
index 3bdf60c5cb2b5c020c6921c8dce2a9af9cc658fd..a48d2b5026ab2f781b8d83edf13cca11d69ee9e1 100644
--- a/chrome/renderer/printing/print_web_view_helper_linux.cc
+++ b/chrome/renderer/printing/print_web_view_helper_linux.cc
@@ -4,10 +4,7 @@
 
 #include "chrome/renderer/printing/print_web_view_helper.h"
 
-#include "base/file_descriptor_posix.h"
-#include "base/logging.h"

[Lei Zhang, 2013/08/13 23:26:37]

Undo - logging.h also contain DCHECK(), NOTREACHED(), etc.

[cimamoglu1, 2013/08/14 16:10:36]

Done.

 #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"
@@ -18,9 +15,11 @@
 #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 {
 
@@ -41,8 +40,7 @@ bool PrintWebViewHelper::RenderPreviewPage(
   }
 
   base::TimeTicks begin_time = base::TimeTicks::Now();
-  PrintPageInternal(page_params,
-                    print_preview_context_.GetPrintCanvasSize(),

[Lei Zhang, 2013/08/13 23:26:37]

one arg per line is acceptable, no need to change it.

[cimamoglu1, 2013/08/14 16:10:36]

Done.

+  PrintPageInternal(page_params, print_preview_context_.GetPrintCanvasSize(),
                     print_preview_context_.prepared_frame(),
                     initial_render_metafile);
   print_preview_context_.RenderedPreviewPage(
@@ -101,14 +99,16 @@ bool PrintWebViewHelper::PrintPagesNative(WebKit::WebFrame* frame,
   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;

[Lei Zhang, 2013/08/13 23:26:37]

bad indent

[cimamoglu1, 2013/08/14 16:10:36]

Done.

 
   // Tell the browser we've finished writing the file.
   Send(new PrintHostMsg_TempFileForPrintingWritten(routing_id(),