| Index: third_party/WebKit/public/web/WebDocument.h
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| diff --git a/third_party/WebKit/public/web/WebDocument.h b/third_party/WebKit/public/web/WebDocument.h
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| index 8b415834b2edb0e155adef6cdbfb4c3f91a55512..8b4ef0ff3cec52deb0086f2d414ee4ab87d172d5 100644
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| --- a/third_party/WebKit/public/web/WebDocument.h
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| +++ b/third_party/WebKit/public/web/WebDocument.h
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| @@ -59,6 +59,7 @@ class WebFormElement;
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|  class WebElementCollection;
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|  class WebString;
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|  class WebURL;
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| +struct WebDistillabilityFeatures;
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|  
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|  // Provides readonly access to some properties of a DOM document.
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|  class WebDocument : public WebNode {
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| @@ -137,6 +138,11 @@ public:
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|      BLINK_EXPORT WebURL manifestURL() const;
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|      BLINK_EXPORT bool manifestUseCredentials() const;
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|  
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| +    // distillabilityFeatures and isMobileFriendly should only be called on
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| +    // the main frame.
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| +    BLINK_EXPORT WebDistillabilityFeatures distillabilityFeatures();
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| +    BLINK_EXPORT bool isMobileFriendly();
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| +
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|  #if BLINK_IMPLEMENTATION
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|      WebDocument(const PassRefPtrWillBeRawPtr<Document>&);
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|      WebDocument& operator=(const PassRefPtrWillBeRawPtr<Document>&);
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| 
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