Created a new BrowserMessageFilter to handle print related IPC messages.

content/browser/renderer_host/render_message_filter_gtk.cc

Index: content/browser/renderer_host/render_message_filter_gtk.cc
diff --git a/content/browser/renderer_host/render_message_filter_gtk.cc b/content/browser/renderer_host/render_message_filter_gtk.cc
index ce260c4a4926dc5575418107e789d0e96529d051..1d25313b4206563bd8474be7647916bbf9182cbc 100644
--- a/content/browser/renderer_host/render_message_filter_gtk.cc
+++ b/content/browser/renderer_host/render_message_filter_gtk.cc
@@ -4,14 +4,7 @@
 
 #include "content/browser/renderer_host/render_message_filter.h"
 
-#include <fcntl.h>
-#include <map>
-
-#include "base/file_util.h"
-#include "base/lazy_instance.h"
-#include "base/path_service.h"
 #include "chrome/browser/browser_thread.h"
-#include "chrome/common/chrome_paths.h"
 #include "chrome/common/render_messages.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebScreenInfo.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/x11/WebScreenInfoFactory.h"
@@ -19,28 +12,9 @@
 #include "ui/base/x/x11_util.h"
 #include "ui/gfx/gtk_native_view_id_manager.h"
 
-#if defined(OS_CHROMEOS)
-#include "chrome/browser/printing/print_dialog_cloud.h"
-#endif
-
 using WebKit::WebScreenInfo;
 using WebKit::WebScreenInfoFactory;
 
-namespace {
-
-typedef std::map<int, FilePath> SequenceToPathMap;
-
-struct PrintingSequencePathMap {
-  SequenceToPathMap map;
-  int sequence;
-};
-
-// No locking, only access on the FILE thread.
-static base::LazyInstance<PrintingSequencePathMap>
-    g_printing_file_descriptor_map(base::LINKER_INITIALIZED);
-
-}  // namespace
-
 // We get null window_ids passed into the two functions below; please see
 // http://crbug.com/9060 for more details.
 
@@ -175,56 +149,6 @@ void RenderMessageFilter::DoOnClipboardReadFilenames(
   Send(reply_msg);
 }
 
-#if defined(OS_CHROMEOS)
-void RenderMessageFilter::DoOnAllocateTempFileForPrinting(
-    IPC::Message* reply_msg) {
-  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::FILE));
-  base::FileDescriptor temp_file_fd(-1, false);
-  SequenceToPathMap* map = &g_printing_file_descriptor_map.Get().map;
-  const int sequence_number = g_printing_file_descriptor_map.Get().sequence++;
-
-  FilePath path;
-  if (file_util::CreateTemporaryFile(&path)) {
-    int fd = open(path.value().c_str(), O_WRONLY);
-    if (fd >= 0) {
-      SequenceToPathMap::iterator it = map->find(sequence_number);
-      if (it != map->end()) {
-        NOTREACHED() << "Sequence number already in use. seq=" <<
-            sequence_number;
-      } else {
-        (*map)[sequence_number] = path;
-        temp_file_fd.fd = fd;
-        temp_file_fd.auto_close = true;
-      }
-    }
-  }
-
-  ViewHostMsg_AllocateTempFileForPrinting::WriteReplyParams(
-      reply_msg, temp_file_fd, sequence_number);
-  Send(reply_msg);
-}
-
-void RenderMessageFilter::DoOnTempFileForPrintingWritten(int sequence_number) {
-  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::FILE));
-  SequenceToPathMap* map = &g_printing_file_descriptor_map.Get().map;
-  SequenceToPathMap::iterator it = map->find(sequence_number);
-  if (it == map->end()) {
-    NOTREACHED() << "Got a sequence that we didn't pass to the "
-                    "renderer: " << sequence_number;
-    return;
-  }
-
-  if (cloud_print_enabled_)
-    PrintDialogCloud::CreatePrintDialogForPdf(it->second, string16(), true);
-  else
-    NOTIMPLEMENTED();
-
-  // Erase the entry in the map.
-  map->erase(it);
-}
-
-#endif  // defined(OS_CHROMEOS)
-
 void RenderMessageFilter::OnGetScreenInfo(gfx::NativeViewId view,
                                           IPC::Message* reply_msg) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
@@ -323,24 +247,3 @@ void RenderMessageFilter::OnClipboardReadFilenames(
           this, &RenderMessageFilter::DoOnClipboardReadFilenames, buffer,
           reply_msg));
 }
-
-#if defined(OS_CHROMEOS)
-void RenderMessageFilter::OnAllocateTempFileForPrinting(
-    IPC::Message* reply_msg) {
-  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
-  BrowserThread::PostTask(
-      BrowserThread::FILE, FROM_HERE,
-      NewRunnableMethod(
-          this, &RenderMessageFilter::DoOnAllocateTempFileForPrinting,
-          reply_msg));
-}
-
-void RenderMessageFilter::OnTempFileForPrintingWritten(int sequence_number) {
-  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
-  BrowserThread::PostTask(
-      BrowserThread::FILE, FROM_HERE,
-      NewRunnableMethod(
-          this, &RenderMessageFilter::DoOnTempFileForPrintingWritten,
-          sequence_number));
-}
-#endif  // defined(OS_CHROMEOS)