[DevTools] Remove legacy code.

chrome/browser/devtools/devtools_window.cc

Index: chrome/browser/devtools/devtools_window.cc
diff --git a/chrome/browser/devtools/devtools_window.cc b/chrome/browser/devtools/devtools_window.cc
index 1e2a0e61b4fb521f8d2f3a19f0ad7370d818ad5e..d31d7fa285f97eeeadbef6dc92cc8fb927aa1239 100644
--- a/chrome/browser/devtools/devtools_window.cc
+++ b/chrome/browser/devtools/devtools_window.cc
@@ -1112,11 +1112,8 @@ void DevToolsWindow::OnLoadCompleted() {
         SessionTabHelper::FromWebContents(inspected_web_contents);
     if (session_tab_helper) {
       base::FundamentalValue tabId(session_tab_helper->session_id().id());
-      // TODO(dgozman): remove |WebInspector.setInspectedTabId| call in M45.
-      bindings_->CallClientFunction(
-          "(InspectorFrontendAPI.setInspectedTabId ||"
-              "WebInspector.setInspectedTabId)",
-          &tabId, NULL, NULL);
+      bindings_->CallClientFunction("InspectorFrontendAPI.setInspectedTabId",
+                                    &tabId, NULL, NULL);
     }
   }