Adding Navigation Throttles to DevTools

content/browser/devtools/protocol/page_handler.h

Index: content/browser/devtools/protocol/page_handler.h
diff --git a/content/browser/devtools/protocol/page_handler.h b/content/browser/devtools/protocol/page_handler.h
index d6eb3a556b990a4f24b599c62f1a53aa34c6d326..a8456df4271d6eea8c86a9669679f617ee21f5de 100644
--- a/content/browser/devtools/protocol/page_handler.h
+++ b/content/browser/devtools/protocol/page_handler.h
@@ -21,10 +21,13 @@ class SkBitmap;
 
 namespace content {
 
+class NavigationHandle;
 class RenderFrameHostImpl;
 class WebContentsImpl;
 
 namespace devtools {
+class PageNavigationThrottle;
+
 namespace page {
 
 class ColorPicker;
@@ -79,6 +82,15 @@ class PageHandler : public NotificationObserver {
   Response SetColorPickerEnabled(bool enabled);
   Response RequestAppBanner();
 
+  Response SetControlNavigations(bool enabled);
+  Response ProcessNavigation(const std::string& response, int navigation_id);
+
+  std::unique_ptr<PageNavigationThrottle> CreateThrottleForNavigation(
+      NavigationHandle* navigation_handle);
+
+  void OnPageNavigationThrottleDisposed(int navigation_id);
+  void NavigationRequested(const PageNavigationThrottle* throttle);
+
  private:
   WebContentsImpl* GetWebContents();
   void NotifyScreencastVisibility(bool visible);
@@ -120,6 +132,10 @@ class PageHandler : public NotificationObserver {
 
   std::unique_ptr<ColorPicker> color_picker_;
 
+  bool navigation_throttle_enabled_;
+  int next_navigation_id_;
+  std::map<int, PageNavigationThrottle*> navigation_throttles_;
+
   RenderFrameHostImpl* host_;
   std::unique_ptr<Client> client_;
   NotificationRegistrar registrar_;