Make printing work better with OOPIF.

chrome/renderer/pepper/chrome_pdf_print_client.cc

Index: chrome/renderer/pepper/chrome_pdf_print_client.cc
diff --git a/chrome/renderer/pepper/chrome_pdf_print_client.cc b/chrome/renderer/pepper/chrome_pdf_print_client.cc
index a0d8feed42cb2204b3f47a3b4cd26b78e6ffa6a4..4085c1025c1677e0ffbdf34e2bfcca60ec90d394 100644
--- a/chrome/renderer/pepper/chrome_pdf_print_client.cc
+++ b/chrome/renderer/pepper/chrome_pdf_print_client.cc
@@ -6,7 +6,7 @@
 
 #include "components/printing/renderer/print_web_view_helper.h"
 #include "content/public/renderer/pepper_plugin_instance.h"
-#include "content/public/renderer/render_view.h"
+#include "content/public/renderer/render_frame.h"
 #include "third_party/WebKit/public/web/WebDocument.h"
 #include "third_party/WebKit/public/web/WebElement.h"
 #include "third_party/WebKit/public/web/WebLocalFrame.h"
@@ -25,18 +25,17 @@ blink::WebElement GetWebElement(PP_Instance instance_id) {
 printing::PrintWebViewHelper* GetPrintWebViewHelper(
     const blink::WebElement& element) {
   if (element.isNull())
-    return NULL;
-  blink::WebView* view = element.document().frame()->view();
-  content::RenderView* render_view = content::RenderView::FromWebView(view);
-  return printing::PrintWebViewHelper::Get(render_view);
+    return nullptr;
+  auto* render_frame =
+      content::RenderFrame::FromWebFrame(element.document().frame());
+  return printing::PrintWebViewHelper::Get(render_frame);
 }
 
 }  // namespace
 
-ChromePDFPrintClient::ChromePDFPrintClient() {
-}
-ChromePDFPrintClient::~ChromePDFPrintClient() {
-}
+ChromePDFPrintClient::ChromePDFPrintClient() {}
+
+ChromePDFPrintClient::~ChromePDFPrintClient() {}
 
 bool ChromePDFPrintClient::IsPrintingEnabled(PP_Instance instance_id) {
   blink::WebElement element = GetWebElement(instance_id);
@@ -47,9 +46,8 @@ bool ChromePDFPrintClient::IsPrintingEnabled(PP_Instance instance_id) {
 bool ChromePDFPrintClient::Print(PP_Instance instance_id) {
   blink::WebElement element = GetWebElement(instance_id);
   printing::PrintWebViewHelper* helper = GetPrintWebViewHelper(element);
-  if (helper) {
-    helper->PrintNode(element);
-    return true;
-  }
-  return false;
+  if (!helper)
+    return false;
+  helper->PrintNode(element);
+  return true;
 }