Add 'NavigationHandle::QueueConsoleMessage'.

content/browser/frame_host/navigation_handle_impl.h

 // Copyright 2015 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_NAVIGATION_HANDLE_IMPL_H_
 #define CONTENT_BROWSER_FRAME_HOST_NAVIGATION_HANDLE_IMPL_H_
 
 #include "content/public/browser/navigation_handle.h"
 
 #include <stddef.h>
 
 #include "base/callback.h"
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_vector.h"
 #include "content/browser/frame_host/frame_tree_node.h"
 #include "content/browser/frame_host/render_frame_host_impl.h"
 #include "content/common/content_export.h"
 #include "content/public/browser/navigation_data.h"
 #include "content/public/browser/navigation_throttle.h"
+#include "content/public/common/console_message_level.h"
 #include "url/gurl.h"
 
 struct FrameHostMsg_DidCommitProvisionalLoad_Params;
 
 namespace content {
 
 class NavigatorDelegate;
 class ResourceRequestBodyImpl;
 class ServiceWorkerContextWrapper;
 class ServiceWorkerNavigationHandle;
@@ skipping 65 matching lines @@
   ui::PageTransition GetPageTransition() override;
   bool IsExternalProtocol() override;
   net::Error GetNetErrorCode() override;
   RenderFrameHostImpl* GetRenderFrameHost() override;
   bool IsSamePage() override;
   bool HasCommitted() override;
   bool IsErrorPage() override;
   void Resume() override;
   void CancelDeferredNavigation(
       NavigationThrottle::ThrottleCheckResult result) override;
+  void QueueConsoleMessage(ConsoleMessageLevel level,
+                           const std::string& message) override;
   void RegisterThrottleForTesting(
       std::unique_ptr<NavigationThrottle> navigation_throttle) override;
   NavigationThrottle::ThrottleCheckResult CallWillStartRequestForTesting(
       bool is_post,
       const Referrer& sanitized_referrer,
       bool has_user_gesture,
       ui::PageTransition transition,
       bool is_external_protocol) override;
   NavigationThrottle::ThrottleCheckResult CallWillRedirectRequestForTesting(
       const GURL& new_url,
@@ skipping 144 matching lines @@
                        int pending_nav_entry_id);
 
   NavigationThrottle::ThrottleCheckResult CheckWillStartRequest();
   NavigationThrottle::ThrottleCheckResult CheckWillRedirectRequest();
   NavigationThrottle::ThrottleCheckResult CheckWillProcessResponse();
 
   // Helper function to run and reset the |complete_callback_|. This marks the
   // end of a round of NavigationThrottleChecks.
   void RunCompleteCallback(NavigationThrottle::ThrottleCheckResult result);
 
+  // Outputs the messages in |console_queue_| to the relevant RenderFrameHost,
+  // in FIFO order. This method must be called after a response has been
+  // delivered for processing, and will clear out |console_queue_| as a side
+  // effect of sending the messages.
+  virtual void DumpMessagesToConsole();
+
   // Used in tests.
   State state() const { return state_; }
 
   // See NavigationHandle for a description of those member variables.
   GURL url_;
   Referrer sanitized_referrer_;
   bool has_user_gesture_;
   ui::PageTransition transition_;
   bool is_external_protocol_;
   net::Error net_error_code_;
@@ skipping 39 matching lines @@
   ThrottleChecksFinishedCallback complete_callback_;
 
   // PlzNavigate
   // Manages the lifetime of a pre-created ServiceWorkerProviderHost until a
   // corresponding ServiceWorkerNetworkProvider is created in the renderer.
   std::unique_ptr<ServiceWorkerNavigationHandle> service_worker_handle_;
 
   // Embedder data tied to this navigation.
   std::unique_ptr<NavigationData> navigation_data_;
 
+  // A queue of messages to be delivered to the devtools console upon commit.
+  std::queue<std::pair<ConsoleMessageLevel, const std::string>> console_queue_;
+
   DISALLOW_COPY_AND_ASSIGN(NavigationHandleImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_FRAME_HOST_NAVIGATION_HANDLE_IMPL_H_