Removed NativeMetafile and PreviewMetafile typedef as it's always PdfMetafileSkia.

android_webview/renderer/print_web_view_helper_linux.cc

Index: android_webview/renderer/print_web_view_helper_linux.cc
diff --git a/android_webview/renderer/print_web_view_helper_linux.cc b/android_webview/renderer/print_web_view_helper_linux.cc
index b84b68d8b7b76f64f5ace62b323bf091863b81cd..40b437879971969ada158d5e8ccf5a20fbacebb4 100644
--- a/android_webview/renderer/print_web_view_helper_linux.cc
+++ b/android_webview/renderer/print_web_view_helper_linux.cc
@@ -11,9 +11,9 @@
 #include "base/memory/scoped_ptr.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 "printing/pdf_metafile_skia.h"
 #include "skia/ext/platform_device.h"
 #include "skia/ext/vector_canvas.h"
 #include "third_party/WebKit/public/web/WebLocalFrame.h"
@@ -37,7 +37,7 @@ bool PrintWebViewHelper::RenderPreviewPage(
   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);
+    draft_metafile.reset(new PdfMetafileSkia);
     initial_render_metafile = draft_metafile.get();
   }
 
@@ -62,7 +62,7 @@ bool PrintWebViewHelper::RenderPreviewPage(
 bool PrintWebViewHelper::PrintPagesNative(blink::WebFrame* frame,
                                           int page_count,
                                           const gfx::Size& canvas_size) {
-  NativeMetafile metafile;
+  PdfMetafileSkia metafile;
   if (!metafile.Init())
     return false;