Merge pull request #4280 from simon04/issue-4270

Fix name of contexts created using `import()`

examples/code-splitting-harmony/README.md

@@ -291,7 +291,7 @@ chunk    {3} output.js (main) 414 bytes [entry] [rendered]
         [no exports used]
         harmony import a [4] ./example.js 1:0-18
     [1] ./~/c async ^\.\/.*$ 160 bytes {3} [built]
-        System.import context c [4] ./example.js 8:8-27
+        import() context c [4] ./example.js 8:8-27
     [4] ./example.js 243 bytes {3} [built]
 ```
 
@@ -324,6 +324,6 @@ chunk    {3} output.js (main) 414 bytes [entry] [rendered]
         [no exports used]
         harmony import a [4] ./example.js 1:0-18
     [1] ./~/c async ^\.\/.*$ 160 bytes {3} [built]
-        System.import context c [4] ./example.js 8:8-27
+        import() context c [4] ./example.js 8:8-27
     [4] ./example.js 243 bytes {3} [built]
 ```

examples/code-splitting-native-import-context/README.md

@@ -294,7 +294,7 @@ chunk    {2} 2.output.js 38 bytes {3} [rendered]
 chunk    {3} output.js (main) 441 bytes [entry] [rendered]
     > main [4] ./example.js 
     [0] ./templates async ^\.\/.*$ 160 bytes {3} [optional] [built]
-        System.import context ./templates [4] ./example.js 3:23-60
+        import() context ./templates [4] ./example.js 3:23-60
     [4] ./example.js 281 bytes {3} [built]
 ```
 
@@ -327,7 +327,7 @@ chunk    {2} 2.output.js 38 bytes {3} [rendered]
 chunk    {3} output.js (main) 441 bytes [entry] [rendered]
     > main [4] ./example.js 
     [0] ./templates async ^\.\/.*$ 160 bytes {3} [optional] [built]
-        System.import context ./templates [4] ./example.js 3:23-60
+        import() context ./templates [4] ./example.js 3:23-60
     [4] ./example.js 281 bytes {3} [built]
 
 ERROR in output.js from UglifyJs

lib/dependencies/ImportContextDependency.js

@@ -16,7 +16,7 @@ class ImportContextDependency extends ContextDependency {
 	}
 
 	get type() {
-		return "System.import context";
+		return "import() context";
 	}
 
 	getWarnings() {