Navigation transitions (web to native app): Clear navigation transition data

content/browser/transition_request_manager.h

 // Copyright 2014 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_TRANSITION_REQUEST_MANAGER_H_
 #define CONTENT_BROWSER_TRANSITION_REQUEST_MANAGER_H_
 
 #include <map>
 #include <string>
 #include <utility>
@@ skipping 10 matching lines @@
 
 namespace net {
 class HttpResponseHeaders;
 }
 class GURL;
 
 namespace content {
 
 // This struct passes data about an imminent transition between threads.
 struct TransitionLayerData {
-  TransitionLayerData();
-  ~TransitionLayerData();
+  CONTENT_EXPORT TransitionLayerData();
+  CONTENT_EXPORT ~TransitionLayerData();
 
   std::string markup;
   std::string css_selector;
   std::vector<std::string> names;
   std::vector<gfx::Rect> rects;
   scoped_refptr<net::HttpResponseHeaders> response_headers;
   GURL request_url;
 };
 
 // TransitionRequestManager is used to handle bookkeeping for transition
@@ skipping 10 matching lines @@
   // Parses out any transition-entering-stylesheet link headers from the
   // response headers.
   CONTENT_EXPORT static void ParseTransitionStylesheetsFromHeaders(
       const scoped_refptr<net::HttpResponseHeaders>& headers,
       std::vector<GURL>& entering_stylesheets,
       const GURL& resolve_address);
 
   // Returns whether the RenderFrameHost specified by the given IDs currently
   // has any pending transition request data. If so, we will have to delay the
   // response until the embedder resumes the request.
-  bool HasPendingTransitionRequest(int render_process_id,
-                                   int render_frame_id,
-                                   const GURL& request_url,
-                                   TransitionLayerData* transition_data);
+  CONTENT_EXPORT bool HasPendingTransitionRequest(
+      int render_process_id,
+      int render_frame_id,
+      const GURL& request_url,
+      TransitionLayerData* transition_data);
 
   // Adds pending request data for a transition navigation for the
   // RenderFrameHost specified by the given IDs.
   CONTENT_EXPORT void AddPendingTransitionRequestData(
       int render_process_id,
       int render_frame_id,
       const std::string& allowed_destination_host_pattern,
       const std::string& css_selector,
       const std::string& markup,
       const std::vector<std::string>& names,
       const std::vector<gfx::Rect>& rects);
   CONTENT_EXPORT void AddPendingTransitionRequestDataForTesting(
       int render_process_id,
       int render_frame_id);
 
-  void ClearPendingTransitionRequestData(int render_process_id,
-                                         int render_frame_id);
+  CONTENT_EXPORT void ClearPendingTransitionRequestData(int render_process_id,
+                                                        int render_frame_id);
 
  private:
   class TransitionRequestData {
    public:
     TransitionRequestData();
     ~TransitionRequestData();
     void AddEntry(const std::string& allowed_destination_host_pattern,
                   const std::string& selector,
                   const std::string& markup,
                   const std::vector<std::string>& names,
@@ skipping 34 matching lines @@
   // Used to pass information to the CrossSiteResourceHandler without doing a
   // round-trip between IO->UI->IO threads.
   RenderFrameRequestDataMap pending_transition_frames_;
 
   DISALLOW_COPY_AND_ASSIGN(TransitionRequestManager);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_TRANSITION_REQUEST_MANAGER_H_