DevTools: Add more JS DocumentationURLProvider sources and some tests for documentation

The following sources are added:
- Node
- Array.prototype
- Date.prototype
- Object.prototype
- String.prototype

BUG=391593

Review URL: https://codereview.chromium.org/455343002

git-svn-id: svn://svn.chromium.org/blink/trunk@180066 bbb929c8-8fbe-4397-9dbb-9b2b20218538

third_party/WebKit/LayoutTests/inspector/documentation/documentation-url-provider-expected.txt

@@ -17,4 +17,8 @@ Property keys:
 http://docs.webplatform.org/w/api.php?action=query&titles=javascript/Object/keys&prop=revisions&rvprop=timestamp|content&format=json
 Property notExist:
 null
+Property indexOf:
+http://docs.webplatform.org/w/api.php?action=query&titles=javascript/Array/indexOf&prop=revisions&rvprop=timestamp|content&format=json
+Property setDate:
+http://docs.webplatform.org/w/api.php?action=query&titles=javascript/Date/setDate&prop=revisions&rvprop=timestamp|content&format=json
 

third_party/WebKit/LayoutTests/inspector/documentation/documentation-url-provider.html

@@ -16,6 +16,8 @@ function test()
         "fromCharCode",
         "keys",
         "notExist",
+        "indexOf",
+        "setDate"
         ];
     var urlFormer = new WebInspector.DocumentationURLProvider();
     for (var i = 0; i < testCases.length; ++i) {

third_party/WebKit/Source/devtools/front_end/documentation/DocumentationURLProvider.js

@@ -16,10 +16,15 @@ WebInspector.DocumentationURLProvider = function()
 WebInspector.DocumentationURLProvider._sources = [
     { source: window, url: "javascript/" },
     { source: window.Node.prototype, url: "dom/Node/" },
+    { source: window.Node, url: "dom/Node/" },
+    { source: window.Object.prototype, url: "javascript/Object/" },
     { source: window.Object, url: "javascript/Object/" },
     { source: window.Math, url: "javascript/Math/" },
+    { source: window.Array.prototype, url: "javascript/Array/" },
     { source: window.Array, url: "javascript/Array/" },
+    { source: window.String.prototype, url: "javascript/String/" },
     { source: window.String, url: "javascript/String/" },
+    { source: window.Date.prototype, url: "javascript/Date/" },
     { source: window.Date, url: "javascript/Date/" },
     { source: window.JSON, url: "javascript/JSON/" }
 ];