[DevTools] Disable touch emulation on devices with touch input.

Source/core/inspector/InspectorPageAgent.h

Index: Source/core/inspector/InspectorPageAgent.h
diff --git a/Source/core/inspector/InspectorPageAgent.h b/Source/core/inspector/InspectorPageAgent.h
index ced733a5413f9d5f21f8eaf416dd7b3b899e0659..601c3f80efbcc7f4c4b241bf24439e08fd985da1 100644
--- a/Source/core/inspector/InspectorPageAgent.h
+++ b/Source/core/inspector/InspectorPageAgent.h
@@ -102,6 +102,7 @@ public:
     virtual void deleteCookie(ErrorString*, const String& cookieName, const String& url) OVERRIDE;
     virtual void getResourceTree(ErrorString*, RefPtr<TypeBuilder::Page::FrameResourceTree>&) OVERRIDE;
     virtual void getResourceContent(ErrorString*, const String& frameId, const String& url, String* content, bool* base64Encoded) OVERRIDE;
+    virtual void hasTouchInputs(ErrorString*, bool* result) OVERRIDE;
     virtual void searchInResource(ErrorString*, const String& frameId, const String& url, const String& query, const bool* optionalCaseSensitive, const bool* optionalIsRegex, RefPtr<TypeBuilder::Array<TypeBuilder::Page::SearchMatch> >&) OVERRIDE;
     virtual void setDocumentContent(ErrorString*, const String& frameId, const String& html) OVERRIDE;
     virtual void setDeviceMetricsOverride(ErrorString*, int width, int height, double deviceScaleFactor, bool emulateViewport, bool fitWindow, const bool* optionalTextAutosizing, const double* optionalFontScaleFactor) OVERRIDE;
@@ -191,6 +192,12 @@ private:
     bool m_ignoreScriptsEnabledNotification;
     bool m_deviceMetricsOverridden;
     bool m_emulateViewportEnabled;
+
+    bool m_touchEmulationEnabled;
+    bool m_originalTouchEnabled;
+    bool m_originalDeviceSupportsMouse;
+    bool m_originalDeviceSupportsTouch;
+
     bool m_embedderTextAutosizingEnabled;
     double m_embedderFontScaleFactor;
 };