Support POST in browser navaigation.

content/public/browser/page_navigator.h

 // 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.
 
 // PageNavigator defines an interface that can be used to express the user's
 // intention to navigate to a particular URL.  The implementing class should
 // perform the navigation.
 
 #ifndef CONTENT_PUBLIC_BROWSER_PAGE_NAVIGATOR_H_
 #define CONTENT_PUBLIC_BROWSER_PAGE_NAVIGATOR_H_
@@ skipping 54 matching lines @@
   GlobalRequestID transferred_global_request_id;
 
   // Indicates whether this navigation should replace the current
   // navigation entry.
   bool should_replace_current_entry;
 
   // Indicates whether this navigation was triggered while processing a user
   // gesture if the navigation was initiated by the renderer.
   bool user_gesture;
 
+  // Indicates whether this navigation will be sent using POST.
+  bool uses_post;
+
+  // The post data when the navigation uses POST.
+  // Checking empty status of |post_data| should be enough to indicates whether
+  // opening a URL uses POST if sending POSt without data is disallowed.

[Avi (use Gerrit), 2013/07/31 19:35:18]

POSt?

[Johnny(Jianning) Ding, 2013/07/31 20:42:47]

typo fixed. The question is that do we allow send POST request without data? if
not, I can drop |uses_post| and check empty of post_data| to indicate whether
POST is used.

+  std::string post_data;
+
  private:
   OpenURLParams();
 };
 
 class PageNavigator {
  public:
   virtual ~PageNavigator() {}
 
   // Opens a URL with the given disposition.  The transition specifies how this
   // navigation should be recorded in the history system (for example, typed).
   // Returns the WebContents the URL is opened in, or NULL if the URL wasn't
   // opened immediately.
   virtual WebContents* OpenURL(const OpenURLParams& params) = 0;
 };
 
 }
 
 #endif  // CONTENT_PUBLIC_BROWSER_PAGE_NAVIGATOR_H_