DevTools: adjust nexus 5x and 6p viewport sizes

third_party/WebKit/Source/devtools/front_end/emulated_devices/module.json

 {
     "extensions": [
         {
             "type": "emulated-device",
             "device": {
                 "show-by-default": false,
                 "title": "iPhone 4" ,
                 "screen": {
                     "horizontal": {
                         "width": 480,
@@ skipping 406 matching lines @@
             "order": 30,
             "device": {
                 "show-by-default": true,
                 "title": "Nexus 6P",
                 "screen": {
                     "horizontal": {
                         "outline" : {
                             "image": "@url(Nexus6P-landscape.svg)",
                             "insets" : { "left": 94, "top": 48, "right": 97, "bottom": 48 }
                         },
-                        "width": 732,
+                        "width": 660,
                         "height": 412
                     },
                     "device-pixel-ratio": 3.5,
                     "vertical": {
                         "outline" : {
                             "image": "@url(Nexus6P-portrait.svg)",
                             "insets" : { "left": 58, "top": 94, "right": 58, "bottom": 97 }
                         },
                         "width": 412,
-                        "height": 732
+                        "height": 660
                     }
                 },
                 "capabilities": [
                     "touch",
                     "mobile"
                 ],
                 "user-agent": "Mozilla/5.0 (Linux; Android 5.1.1; Nexus 6 Build/LYZ28E) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/48.0.2564.23 Mobile Safari/537.36",
                 "type": "phone",
                 "modes": [
                     {
@@ skipping 647 matching lines @@
         }
     ],
     "dependencies": [
         "emulation"
     ],
     "scripts": [
     ],
     "resources": [
     ]
 }