DevTools: make StylesSourceMapping in charge of creating and removing UISourceCodes

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

Index: third_party/WebKit/Source/devtools/front_end/bindings/CSSWorkspaceBinding.js
diff --git a/third_party/WebKit/Source/devtools/front_end/bindings/CSSWorkspaceBinding.js b/third_party/WebKit/Source/devtools/front_end/bindings/CSSWorkspaceBinding.js
index 5f23a2fab0c96917dabb39851b119b3b4071a9a4..d0cc5a974f23ef179edbea3a2b7e3b1969a5dd34 100644
--- a/third_party/WebKit/Source/devtools/front_end/bindings/CSSWorkspaceBinding.js
+++ b/third_party/WebKit/Source/devtools/front_end/bindings/CSSWorkspaceBinding.js
@@ -147,9 +147,10 @@ Bindings.CSSWorkspaceBinding.TargetInfo = class {
    */
   constructor(cssModel, workspace) {
     this._cssModel = cssModel;
+    this._workspace = workspace;
+    var networkProject = Bindings.NetworkProject.forTarget(cssModel.target());
     this._stylesSourceMapping = new Bindings.StylesSourceMapping(cssModel, workspace);
-    this._sassSourceMapping =
-        new Bindings.SASSSourceMapping(cssModel, workspace, Bindings.NetworkProject.forTarget(cssModel.target()));
+    this._sassSourceMapping = new Bindings.SASSSourceMapping(cssModel, workspace, networkProject);
 
     /** @type {!Multimap<!SDK.CSSStyleSheetHeader, !Bindings.LiveLocation>} */
     this._locations = new Multimap();
@@ -190,7 +191,14 @@ Bindings.CSSWorkspaceBinding.TargetInfo = class {
     var uiLocation = null;
     uiLocation = uiLocation || this._sassSourceMapping.rawLocationToUILocation(rawLocation);
     uiLocation = uiLocation || this._stylesSourceMapping.rawLocationToUILocation(rawLocation);
-    return uiLocation;
+    if (uiLocation)
+      return uiLocation;
+
+    var uiSourceCode =

[lushnikov, 2017/02/15 05:18:48]

in future, this green chunk should be:

   uiLocation = uiLocation ||
Bindings.ResourceBinding.rawLocationToUILocation(rawLocation);

This is needed to support inline stylesheets

+        Bindings.NetworkProject.uiSourceCodeForStyleURL(this._workspace, rawLocation.url, rawLocation.header());
+    if (!uiSourceCode)
+      return null;
+    return uiSourceCode.uiLocation(rawLocation.lineNumber, rawLocation.columnNumber);
   }
 
   _dispose() {