[DevTools] Disable contexts in console selector on pause

third_party/WebKit/Source/devtools/front_end/sdk/DebuggerModel.js

Index: third_party/WebKit/Source/devtools/front_end/sdk/DebuggerModel.js
diff --git a/third_party/WebKit/Source/devtools/front_end/sdk/DebuggerModel.js b/third_party/WebKit/Source/devtools/front_end/sdk/DebuggerModel.js
index c778cd3034c7c59be72a12bdf81d1c23e7fb07b2..78bfe1a2f98b64d5d9df2b14f09be29c6d825980 100644
--- a/third_party/WebKit/Source/devtools/front_end/sdk/DebuggerModel.js
+++ b/third_party/WebKit/Source/devtools/front_end/sdk/DebuggerModel.js
@@ -689,11 +689,10 @@ SDK.DebuggerModel = class extends SDK.SDKModel {
    * @param {?SDK.DebuggerModel.CallFrame} callFrame
    */
   setSelectedCallFrame(callFrame) {
-    this._selectedCallFrame = callFrame;
-    if (!this._selectedCallFrame)
+    if (this._selectedCallFrame === callFrame)
       return;
-
-    this.dispatchEventToListeners(SDK.DebuggerModel.Events.CallFrameSelected, callFrame);
+    this._selectedCallFrame = callFrame;
+    this.dispatchEventToListeners(SDK.DebuggerModel.Events.CallFrameSelected, this);
   }
 
   /**