DevTools: introduce uiSourceCode.mimeType() method

third_party/WebKit/Source/devtools/front_end/bindings/CompilerScriptMapping.js

Index: third_party/WebKit/Source/devtools/front_end/bindings/CompilerScriptMapping.js
diff --git a/third_party/WebKit/Source/devtools/front_end/bindings/CompilerScriptMapping.js b/third_party/WebKit/Source/devtools/front_end/bindings/CompilerScriptMapping.js
index 6dbfcb8a99d098e2f67d1c77f02f19001f2a7657..9388740a1442fed9847d5e4ec3a9b802768b85df 100644
--- a/third_party/WebKit/Source/devtools/front_end/bindings/CompilerScriptMapping.js
+++ b/third_party/WebKit/Source/devtools/front_end/bindings/CompilerScriptMapping.js
@@ -73,11 +73,11 @@ Bindings.CompilerScriptMapping = class {
    * @param {!SDK.Script} script
    */
   _addStubUISourceCode(script) {
-    var stubUISourceCode = this._stubProject.addContentProvider(
-        script.sourceURL + ':sourcemap',
-        Common.StaticContentProvider.fromString(
-            script.sourceURL, Common.resourceTypes.Script,
-            '\n\n\n\n\n// Please wait a bit.\n// Compiled script is not shown while source map is being loaded!'));
+    var url = script.sourceURL + ':sourcemap';
+    var contentProvider = Common.StaticContentProvider.fromString(
+        url, Common.resourceTypes.Script,

[dgozman, 2017/05/19 18:55:52]

script.sourceURL?

[lushnikov, 2017/05/19 19:00:51]

reverted the change

+        '\n\n\n\n\n// Please wait a bit.\n// Compiled script is not shown while source map is being loaded!');
+    var stubUISourceCode = this._stubProject.addContentProvider(url, contentProvider, 'text/javascript');
     this._stubUISourceCodes.set(script, stubUISourceCode);
   }
 
@@ -269,13 +269,14 @@ Bindings.CompilerScriptMapping = class {
       }
 
       var contentProvider = sourceMap.sourceContentProvider(sourceURL, Common.resourceTypes.SourceMapScript);
+      var mimeType = Common.ResourceType.mimeFromURL(sourceURL) || contentProvider.contentType().canonicalMimeType();
       var embeddedContent = sourceMap.embeddedContentByURL(sourceURL);
       var metadata =
           typeof embeddedContent === 'string' ? new Workspace.UISourceCodeMetadata(null, embeddedContent.length) : null;
       uiSourceCode = project.createUISourceCode(sourceURL, contentProvider.contentType());
       uiSourceCode[Bindings.CompilerScriptMapping._sourceMapSymbol] = sourceMap;
       Bindings.NetworkProject.setInitialFrameAttribution(uiSourceCode, frameId);
-      project.addUISourceCodeWithProvider(uiSourceCode, contentProvider, metadata);
+      project.addUISourceCodeWithProvider(uiSourceCode, contentProvider, metadata, mimeType);
       this._debuggerWorkspaceBinding.setSourceMapping(this._debuggerModel, uiSourceCode, this);
     }
     this._debuggerWorkspaceBinding.updateLocations(script);