Move GetDocument method from WebFrame to WebLocalFrame.

content/renderer/pepper/pepper_plugin_instance_impl.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 "content/renderer/pepper/pepper_plugin_instance_impl.h"
 
 #include <utility>
 
 #include "base/bind.h"
 #include "base/bit_cast.h"
@@ skipping 3169 matching lines @@
   if (fullscreen_container_) {
     fullscreen_container_->PepperDidChangeCursor(*cursor);
   } else if (render_frame_) {
     render_frame_->PepperDidChangeCursor(this, *cursor);
   }
 }
 
 bool PepperPluginInstanceImpl::IsFullPagePlugin() {
   WebLocalFrame* frame = container()->GetDocument().GetFrame();
   return frame->View()->MainFrame()->IsWebLocalFrame() &&
-         frame->View()->MainFrame()->GetDocument().IsPluginDocument();
+         frame->View()
+             ->MainFrame()
+             ->ToWebLocalFrame()
+             ->GetDocument()
+             .IsPluginDocument();
 }
 
 bool PepperPluginInstanceImpl::FlashSetFullscreen(bool fullscreen,
                                                   bool delay_report) {
   TRACE_EVENT0("ppapi", "PepperPluginInstanceImpl::FlashSetFullscreen");
   // Keep a reference on the stack. See NOTE above.
   scoped_refptr<PepperPluginInstanceImpl> ref(this);
 
   // We check whether we are trying to switch to the state we're already going
   // to (i.e. if we're already switching to fullscreen but the fullscreen
@@ skipping 108 matching lines @@
 bool PepperPluginInstanceImpl::CanAccessMainFrame() const {
   if (!container_)
     return false;
   blink::WebDocument containing_document = container_->GetDocument();
 
   if (!containing_document.GetFrame() ||
       !containing_document.GetFrame()->View() ||
       !containing_document.GetFrame()->View()->MainFrame()) {
     return false;
   }
-  blink::WebDocument main_document =
-      containing_document.GetFrame()->View()->MainFrame()->GetDocument();
+  blink::WebFrame* main_frame =
+      containing_document.GetFrame()->View()->MainFrame();
 
   return containing_document.GetSecurityOrigin().CanAccess(
-      main_document.GetSecurityOrigin());
+      main_frame->GetSecurityOrigin());
 }
 
 void PepperPluginInstanceImpl::KeepSizeAttributesBeforeFullscreen() {
   WebElement element = container_->GetElement();
   width_before_fullscreen_ = element.GetAttribute(WebString::FromUTF8(kWidth));
   height_before_fullscreen_ =
       element.GetAttribute(WebString::FromUTF8(kHeight));
   border_before_fullscreen_ =
       element.GetAttribute(WebString::FromUTF8(kBorder));
   style_before_fullscreen_ = element.GetAttribute(WebString::FromUTF8(kStyle));
@@ skipping 162 matching lines @@
     const cc::TextureMailbox& mailbox) const {
   auto it =
       std::find_if(texture_ref_counts_.begin(), texture_ref_counts_.end(),
                    [&mailbox](const TextureMailboxRefCount& ref_count) {
                      return ref_count.first.mailbox() == mailbox.mailbox();
                    });
   return it != texture_ref_counts_.end();
 }
 
 }  // namespace content