[DevTools] Fix integer/double values in emulation input fields.

Source/devtools/front_end/ResponsiveDesignView.js

Index: Source/devtools/front_end/ResponsiveDesignView.js
diff --git a/Source/devtools/front_end/ResponsiveDesignView.js b/Source/devtools/front_end/ResponsiveDesignView.js
index b05e8c36f9604d10bd18f47b024f169930c7ee21..17cd3ee360156350e9f421e9b93eec5e16ba6b03 100644
--- a/Source/devtools/front_end/ResponsiveDesignView.js
+++ b/Source/devtools/front_end/ResponsiveDesignView.js
@@ -438,16 +438,16 @@ WebInspector.ResponsiveDesignView.prototype = {
         sectionElement.appendChild(fieldsetElement);
         fieldsetElement.createChild("div", "responsive-design-icon responsive-design-icon-resolution").title = WebInspector.UIString("Screen resolution");
 
-        fieldsetElement.appendChild(WebInspector.SettingsUI.createSettingInputField("", WebInspector.overridesSupport.settings.deviceWidth, true, 4, "3em", WebInspector.OverridesSupport.inputValidator, true));
+        fieldsetElement.appendChild(WebInspector.SettingsUI.createSettingInputField("", WebInspector.overridesSupport.settings.deviceWidth, true, 4, "3em", WebInspector.OverridesSupport.integerInputValidator, true));
         fieldsetElement.appendChild(document.createTextNode(" \u00D7 "));
-        fieldsetElement.appendChild(WebInspector.SettingsUI.createSettingInputField("", WebInspector.overridesSupport.settings.deviceHeight, true, 4, "3em", WebInspector.OverridesSupport.inputValidator, true));
+        fieldsetElement.appendChild(WebInspector.SettingsUI.createSettingInputField("", WebInspector.overridesSupport.settings.deviceHeight, true, 4, "3em", WebInspector.OverridesSupport.integerInputValidator, true));
 
         this._swapDimensionsElement = fieldsetElement.createChild("button", "responsive-design-icon responsive-design-icon-swap");
         this._swapDimensionsElement.title = WebInspector.UIString("Swap dimensions");
         this._swapDimensionsElement.addEventListener("click", WebInspector.overridesSupport.swapDimensions.bind(WebInspector.overridesSupport), false);
 
         fieldsetElement.createChild("div", "responsive-design-icon responsive-design-icon-dpr").title = WebInspector.UIString("Device pixel ratio");
-        fieldsetElement.appendChild(WebInspector.SettingsUI.createSettingInputField("", WebInspector.overridesSupport.settings.deviceScaleFactor, true, 2, "2em", WebInspector.OverridesSupport.inputValidator, true));
+        fieldsetElement.appendChild(WebInspector.SettingsUI.createSettingInputField("", WebInspector.overridesSupport.settings.deviceScaleFactor, true, 4, "2.5em", WebInspector.OverridesSupport.doubleInputValidator, true));
 
         // Touch and viewport
         sectionElement = this._toolbarElement.createChild("div", "responsive-design-section");