[DevTools] Move main target/connection to TargetManager.

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

Index: third_party/WebKit/Source/devtools/front_end/sdk/SubTargetsManager.js
diff --git a/third_party/WebKit/Source/devtools/front_end/sdk/SubTargetsManager.js b/third_party/WebKit/Source/devtools/front_end/sdk/SubTargetsManager.js
index 01e473d910df32197230e1dd63bd464670543630..fdd1dabedf4e30b7d0e3e225a645e7a6be93b0b2 100644
--- a/third_party/WebKit/Source/devtools/front_end/sdk/SubTargetsManager.js
+++ b/third_party/WebKit/Source/devtools/front_end/sdk/SubTargetsManager.js
@@ -352,11 +352,11 @@ WebInspector.TargetInfo = function(payload)
     this.id = payload.targetId;
     this.url = payload.url;
     this.type = payload.type;
-    if (this.type !== "page" && this.type !== "iframe") {
-        this.title = WebInspector.UIString("Worker: %s", this.url);
-        this.canActivate = false;
-    } else {
+    this.canActivate = this.type === "page" || this.type === "iframe";
+    if (this.type === "node")
+        this.title = WebInspector.UIString("Node: %s", this.url);
+    else if (this.type === "page" || this.type === "iframe")
         this.title = payload.title;
-        this.canActivate = true;
-    }
+    else
+        this.title = WebInspector.UIString("Worker: %s", this.url);
 };