DevTools: Open Elements panel sooner on Inspect Element

This patch adds a query parameter "panel" which sets the default panel
when devtools loads.

BUG=673472
TBR=sky

Review-Url: https://codereview.chromium.org/2566573002
Cr-Commit-Position: refs/heads/master@{#438975}
diff --git a/chrome/browser/ui/browser_command_controller.cc b/chrome/browser/ui/browser_command_controller.cc
index 33b1843..9123a0d9 100644
--- a/chrome/browser/ui/browser_command_controller.cc
+++ b/chrome/browser/ui/browser_command_controller.cc
@@ -535,7 +535,7 @@
       ToggleDevToolsWindow(browser_, DevToolsToggleAction::Show());
       break;
     case IDC_DEV_TOOLS_CONSOLE:
-      ToggleDevToolsWindow(browser_, DevToolsToggleAction::ShowConsole());
+      ToggleDevToolsWindow(browser_, DevToolsToggleAction::ShowConsolePanel());
       break;
     case IDC_DEV_TOOLS_DEVICES:
       InspectUI::InspectDevices(browser_);