Use GuestView embedder when determing the print preview dialog dimensions.

chrome/browser/printing/print_preview_dialog_controller.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/printing/print_preview_dialog_controller.h"
 
 #include <algorithm>
 #include <string>
 #include <vector>
 
@@ skipping 22 matching lines @@
 #include "content/public/browser/navigation_entry.h"
 #include "content/public/browser/notification_details.h"
 #include "content/public/browser/notification_source.h"
 #include "content/public/browser/plugin_service.h"
 #include "content/public/browser/render_frame_host.h"
 #include "content/public/browser/render_process_host.h"
 #include "content/public/browser/render_view_host.h"
 #include "content/public/browser/web_contents.h"
 #include "content/public/browser/web_contents_delegate.h"
 #include "content/public/common/webplugininfo.h"
+#include "extensions/browser/guest_view/guest_view_base.h"
 #include "ui/web_dialogs/web_dialog_delegate.h"
 
 using content::NavigationController;
 using content::WebContents;
 using content::WebUIMessageHandler;
 
 namespace {
 
 void EnableInternalPDFPluginForContents(WebContents* preview_dialog) {
   // Always enable the internal PDF plugin for the print preview page.
@@ skipping 62 matching lines @@
   // PrintPreviewUI adds its own message handlers.
 }
 
 void PrintPreviewDialogDelegate::GetDialogSize(gfx::Size* size) const {
   DCHECK(size);
   const gfx::Size kMinDialogSize(800, 480);
   const int kBorder = 25;
   *size = kMinDialogSize;
 
   web_modal::WebContentsModalDialogHost* host = NULL;
-  Browser* browser = chrome::FindBrowserWithWebContents(initiator_);
+  content::WebContents* outermost_web_contents = initiator_;
+  const extensions::GuestViewBase* guest_view =
+      extensions::GuestViewBase::FromWebContents(outermost_web_contents);
+  while (guest_view && guest_view->attached()) {
+    outermost_web_contents = guest_view->embedder_web_contents();
+    guest_view =
+        extensions::GuestViewBase::FromWebContents(outermost_web_contents);
+  }
+  Browser* browser = chrome::FindBrowserWithWebContents(outermost_web_contents);
   if (browser)
     host = browser->window()->GetWebContentsModalDialogHost();
 
   if (host) {
     size->SetToMax(host->GetMaximumDialogSize());
     size->Enlarge(-2 * kBorder, -kBorder);
   } else {
-    size->SetToMax(initiator_->GetContainerBounds().size());
+    size->SetToMax(outermost_web_contents->GetContainerBounds().size());
     size->Enlarge(-2 * kBorder, -2 * kBorder);
   }
 
 #if defined(OS_MACOSX)
   // Limit the maximum size on MacOS X.
   // http://crbug.com/105815
   const gfx::Size kMaxDialogSize(1000, 660);
   size->SetToMin(kMaxDialogSize);
 #endif
 }
@@ skipping 328 matching lines @@
         static_cast<PrintPreviewUI*>(web_ui->GetController());
     if (print_preview_ui)
       print_preview_ui->OnPrintPreviewDialogDestroyed();
   }
 
   preview_dialog_map_.erase(preview_dialog);
   RemoveObservers(preview_dialog);
 }
 
 }  // namespace printing