Add Blink setting to block doc.written scripts on 2g-like networks

content/renderer/render_frame_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_RENDERER_RENDER_FRAME_IMPL_H_
 #define CONTENT_RENDERER_RENDER_FRAME_IMPL_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 527 matching lines @@
                    blink::WebHistoryCommitType commit_type) override;
   void didFinishLoad(blink::WebLocalFrame* frame) override;
   void didNavigateWithinPage(blink::WebLocalFrame* frame,
                              const blink::WebHistoryItem& item,
                              blink::WebHistoryCommitType commit_type,
                              bool content_initiated) override;
   void didUpdateCurrentHistoryItem() override;
   void didChangeThemeColor() override;
   void dispatchLoad() override;
   blink::WebEffectiveConnectionType getEffectiveConnectionType() override;
+  void setEffectiveConnectionTypeOverride(
+      blink::WebEffectiveConnectionType effective_type) override;
+  void clearEffectiveConnectionTypeOverride() override;
   void didChangeSelection(bool is_empty_selection) override;
   bool handleCurrentKeyboardEvent() override;
   blink::WebColorChooser* createColorChooser(
       blink::WebColorChooserClient* client,
       const blink::WebColor& initial_color,
       const blink::WebVector<blink::WebColorSuggestion>& suggestions) override;
   void runModalAlertDialog(const blink::WebString& message) override;
   bool runModalConfirmDialog(const blink::WebString& message) override;
   bool runModalPromptDialog(const blink::WebString& message,
                             const blink::WebString& default_value,
@@ skipping 668 matching lines @@
   // Manages play, pause notifications for WebMediaPlayer implementations; its
   // lifetime is tied to the RenderFrame via the RenderFrameObserver interface.
   media::RendererWebMediaPlayerDelegate* media_player_delegate_;
 
   // Whether or not this RenderFrame is using Lo-Fi mode.
   bool is_using_lofi_;
 
   // Effective connection type when the document of this frame was fetched.
   blink::WebEffectiveConnectionType effective_connection_type_;
 
+  // Overridden effective connection type used for blink internals.
+  blink::WebEffectiveConnectionType effective_connection_type_override_;
+  bool effective_connection_type_overridden_;
+
   // Whether or not this RenderFrame is currently pasting.
   bool is_pasting_;
 
   // Whether we must stop creating nested message loops for modal dialogs. This
   // is necessary because modal dialogs have a ScopedPageLoadDeferrer on the
   // stack that interferes with swapping out.
   bool suppress_further_dialogs_;
 
   // The current and pending file chooser completion objects. If the queue is
   // nonempty, the first item represents the currently running file chooser
@@ skipping 31 matching lines @@
   bool has_accessed_initial_document_;
 
   base::WeakPtrFactory<RenderFrameImpl> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderFrameImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_RENDER_FRAME_IMPL_H_