[Experimental] Supporting OOPIF printing

chrome/browser/printing/print_view_manager_base.h

Index: chrome/browser/printing/print_view_manager_base.h
diff --git a/chrome/browser/printing/print_view_manager_base.h b/chrome/browser/printing/print_view_manager_base.h
index c54ba76e5d95c1782fcaf0136c03644adb16991e..d940410aeccc909489340eaddd20e8a26bf8e52b 100644
--- a/chrome/browser/printing/print_view_manager_base.h
+++ b/chrome/browser/printing/print_view_manager_base.h
@@ -9,12 +9,14 @@
 
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
+#include "base/memory/shared_memory_handle.h"
 #include "base/strings/string16.h"
 #include "build/build_config.h"
 #include "components/prefs/pref_member.h"
 #include "components/printing/browser/print_manager.h"
 #include "content/public/browser/notification_observer.h"
 #include "content/public/browser/notification_registrar.h"
+#include "mojo/public/cpp/system/platform_handle.h"
 #include "printing/features/features.h"
 #include "printing/printed_pages_source.h"
 
@@ -27,6 +29,7 @@ class RenderFrameHost;
 namespace printing {
 
 class JobEventDetails;
+class PrintCompositeClient;
 class PrintJob;
 class PrintJobWorkerOwner;
 class PrintQueriesQueue;
@@ -79,9 +82,16 @@ class PrintViewManagerBase : public content::NotificationObserver,
 
   // IPC Message handlers.
   void OnDidGetPrintedPagesCount(int cookie, int number_pages) override;
-  void OnDidPrintPage(const PrintHostMsg_DidPrintPage_Params& params);
   void OnPrintingFailed(int cookie) override;
   void OnShowInvalidPrinterSettingsError();
+  void OnDidPrintPage(content::RenderFrameHost* render_frame_host,
+                      const PrintHostMsg_DidPrintPage_Params& params);
+  void OnIsReadyToCompose(content::RenderFrameHost* render_frame_host,
+                          const PrintHostMsg_DidPrintPage_Params& params,
+                          bool status);
+
+  // IPC message handlers for service.
+  void OnComposePdfDone(mojo::ScopedSharedBufferHandle handle);
 
   // Processes a NOTIFY_PRINT_JOB_EVENT notification.
   void OnNotifyPrintJobEvent(const JobEventDetails& event_details);
@@ -158,6 +168,8 @@ class PrintViewManagerBase : public content::NotificationObserver,
   // Whether printing is enabled.
   BooleanPrefMember printing_enabled_;
 
+  PrintCompositeClient* composite_client_;
+
   scoped_refptr<printing::PrintQueriesQueue> queue_;
 
   DISALLOW_COPY_AND_ASSIGN(PrintViewManagerBase);