Make printing work better with OOPIF.

content/browser/frame_host/render_frame_host_impl.h

 // Copyright 2013 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.
 
 #ifndef CONTENT_BROWSER_FRAME_HOST_RENDER_FRAME_HOST_IMPL_H_
 #define CONTENT_BROWSER_FRAME_HOST_RENDER_FRAME_HOST_IMPL_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 147 matching lines @@
   void SaveImageAt(int x, int y) override;
   RenderViewHost* GetRenderViewHost() override;
   service_manager::InterfaceRegistry* GetInterfaceRegistry() override;
   service_manager::InterfaceProvider* GetRemoteInterfaces() override;
   AssociatedInterfaceProvider* GetRemoteAssociatedInterfaces() override;
   blink::WebPageVisibilityState GetVisibilityState() override;
   bool IsRenderFrameLive() override;
   int GetProxyCount() override;
   void FilesSelectedInChooser(const std::vector<FileChooserFileInfo>& files,
                               FileChooserParams::Mode permissions) override;
+  bool HasSelection() override;
   void RequestTextSurroundingSelection(
       const TextSurroundingSelectionCallback& callback,
       int max_length) override;
 
   // mojom::FrameHost
   void GetInterfaceProvider(
       service_manager::mojom::InterfaceProviderRequest interfaces) override;
 
   // IPC::Sender
   bool Send(IPC::Message* msg) override;
@@ skipping 81 matching lines @@
   // transfer navigations, where no DidStart/DidStopLoading notifications
   // should be sent during the transfer.
   // TODO(clamy): Remove this once PlzNavigate ships.
   void set_is_loading(bool is_loading) { is_loading_ = is_loading; }
 
   // Returns true if this is a top-level frame, or if this frame's RenderFrame
   // is in a different process from its parent frame. Local roots are
   // distinguished by owning a RenderWidgetHost, which manages input events
   // and painting for this frame and its contiguous local subtree in the
   // renderer process.
-  bool is_local_root() { return !!render_widget_host_; }
+  bool is_local_root() const { return !!render_widget_host_; }
 
   // Returns the RenderWidgetHostImpl attached to this frame or the nearest
   // ancestor frame, which could potentially be the root. For most input
   // and rendering related purposes, GetView() should be preferred and
   // RenderWidgetHostViewBase methods used. GetRenderWidgetHost() will not
   // return a nullptr, whereas GetView() potentially will (for instance,
   // after a renderer crash).
   //
   // This method crashes if this RenderFrameHostImpl does not own a
   // a RenderWidgetHost and nor does any of its ancestors. That would
@@ skipping 754 matching lines @@
   // The pending WebUIImpl and its type. These values will be used exclusively
   // for same-site navigations to keep a transition of a WebUI in a pending
   // state until the navigation commits.
   std::unique_ptr<WebUIImpl> pending_web_ui_;
   WebUI::TypeID pending_web_ui_type_;
 
   // If true the associated WebUI should be reused when CommitPendingWebUI is
   // called (no pending instance should be set).
   bool should_reuse_web_ui_;
 
+  bool has_selection_;

[nasko, 2016/11/02 04:50:37]

nit: Put a small comment on what the meaning of this is and when it is
set/reset.

[Lei Zhang, 2016/11/08 11:13:22]

Done.

+
   // PlzNavigate: The LoFi state of the last navigation. This is used during
   // history navigation of subframes to ensure that subframes navigate with the
   // same LoFi status as the top-level frame.
   LoFiState last_navigation_lofi_state_;
 
   mojo::Binding<mojom::FrameHost> frame_host_binding_;
   mojom::FramePtr frame_;
 
   // Callback for responding when
   // |FrameHostMsg_TextSurroundingSelectionResponse| message comes.
   TextSurroundingSelectionCallback text_surrounding_selection_callback_;
 
   std::vector<std::unique_ptr<service_manager::InterfaceRegistry>>
       media_registries_;
 
   std::unique_ptr<AssociatedInterfaceProviderImpl>
       remote_associated_interfaces_;
   // NOTE: This must be the last member.
   base::WeakPtrFactory<RenderFrameHostImpl> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderFrameHostImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_FRAME_HOST_RENDER_FRAME_HOST_IMPL_H_