DevTools: move the GC button into the memory panel.

third_party/WebKit/Source/devtools/front_end/profiler/module.json

 {
     "extensions": [
         {
             "type": "view",
             "location": "panel",
             "id": "profiles",
             "title": "Profiles",
             "order": 60,
             "className": "Profiler.ProfilesPanel",
             "condition": "v8only"
@@ skipping 47 matching lines @@
             "bindings": [
                 {
                     "platform": "windows,linux",
                     "shortcut": "Ctrl+E"
                 },
                 {
                     "platform": "mac",
                     "shortcut": "Meta+E"
                 }
             ]
+        },
+        {
+            "type": "@UI.ActionDelegate",
+            "actionId": "profiler.collect-garbage",
+            "title": "Collect garbage",
+            "iconClass": "largeicon-trash-bin",
+            "className": "Profiler.ProfilesPanel.GCActionDelegate"
         }
     ],
     "dependencies": [
         "components",
         "components_lazy",
         "ui_lazy"
     ],
     "scripts": [
         "ProfilesPanel.js",
         "ProfileView.js",
@@ skipping 11 matching lines @@
         "ProfileLauncherView.js",
         "ProfileTypeRegistry.js",
         "TargetsComboBoxController.js"
     ],
     "resources": [
         "heapProfiler.css",
         "profilesPanel.css",
         "profilesSidebarTree.css"
     ]
 }