DevTools: make StyleSourceMapping in charge of managing 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 f0278e20d4ea23da65b02ff4a73ec8cf2848d955..16bc85f6534aaf88302ce6dba5d6e2b7f6ec0819 100644
--- a/third_party/WebKit/Source/devtools/front_end/bindings/CSSWorkspaceBinding.js
+++ b/third_party/WebKit/Source/devtools/front_end/bindings/CSSWorkspaceBinding.js
@@ -140,6 +140,7 @@ Bindings.CSSWorkspaceBinding.ModelInfo = class {
    * @param {!Workspace.Workspace} workspace
    */
   constructor(cssModel, workspace) {
+    this._workspace = workspace;
     this._eventListeners = [
       cssModel.addEventListener(SDK.CSSModel.Events.StyleSheetAdded, this._styleSheetAdded, this),
       cssModel.addEventListener(SDK.CSSModel.Events.StyleSheetRemoved, this._styleSheetRemoved, this)
@@ -229,7 +230,16 @@ Bindings.CSSWorkspaceBinding.ModelInfo = class {
     var uiLocation = null;
     uiLocation = uiLocation || this._sassSourceMapping.rawLocationToUILocation(rawLocation);
     uiLocation = uiLocation || this._stylesSourceMapping.rawLocationToUILocation(rawLocation);
-    return uiLocation;
+    if (uiLocation)
+      return uiLocation;
+    var header = rawLocation.header();
+    if (!header)
+      return null;
+    var uiSourceCode = Bindings.NetworkProject.uiSourceCodeForResourceURL(

[dgozman, 2017/05/17 16:46:20]

Should we have a ResourceMapping which will do this instead? It can register
itself as mapping both in JS and CSS worlds, and only resolve locations but not
perform any content syncing.

[lushnikov, 2017/05/20 01:24:18]

Done - introduced here: https://codereview.chromium.org/2893073002/

+        header.cssModel().target(), this._workspace, rawLocation.url, header.frameId);
+    if (!uiSourceCode)
+      return null;
+    return uiSourceCode.uiLocation(rawLocation.lineNumber, rawLocation.columnNumber);
   }
 
   /**