Change variabel names:

* documentsByName to sourceFilesByName
* getSymbolOfIdentifierLikeNode to getSymbolInfo

src/compiler/checker.ts

@@ -88,7 +88,7 @@ module ts {
             getReturnTypeOfSignature: getReturnTypeOfSignature,
             resolveEntityName: resolveEntityName,
             getSymbolsInScope: getSymbolsInScope,
-            getSymbolOfIdentifierLikeNode: getSymbolOfIdentifierLikeNode,
+            getSymbolInfo: getSymbolInfo,
             getTypeOfExpression: getTypeOfExpression,
             typeToString: typeToString,
             symbolToString: symbolToString,
@@ -6437,7 +6437,7 @@ module ts {
             }
         }
 
-        function getSymbolOfIdentifierLikeNode(node: Node) {
+        function getSymbolInfo(node: Node) {
             switch (node.kind) {
                 case SyntaxKind.Identifier:
                     return getSymbolOfIdentifier(<Identifier>node);

src/compiler/types.ts

@@ -605,7 +605,7 @@ module ts {
         getReturnTypeOfSignature(signature: Signature): Type;
         resolveEntityName(location: Node, name: EntityName, meaning: SymbolFlags): Symbol;
         getSymbolsInScope(location: Node, meaning: SymbolFlags): Symbol[];
-        getSymbolOfIdentifierLikeNode(node: Node): Symbol;
+        getSymbolInfo(node: Node): Symbol;
         getTypeOfExpression(node: Expression, contextualType?: Type, contextualMapper?: TypeMapper): Type;
         typeToString(type: Type, enclosingDeclaration?: Node, flags?: TypeFormatFlags): string;
         symbolToString(symbol: Symbol, enclosingDeclaration?: Node, meaning?: SymbolFlags): string;