Turn on eslint rule key-spacing and fix existing errors.

tracing/tracing/model/helpers/android_model_helper.html

Index: tracing/tracing/model/helpers/android_model_helper.html
diff --git a/tracing/tracing/model/helpers/android_model_helper.html b/tracing/tracing/model/helpers/android_model_helper.html
index e753769cf67a26b3121d3d467d795ab0db141f2b..727da8d4a5c1575b50a6e5daa6ef48df8a3648aa 100644
--- a/tracing/tracing/model/helpers/android_model_helper.html
+++ b/tracing/tracing/model/helpers/android_model_helper.html
@@ -23,17 +23,17 @@ tr.exportTo('tr.model.helpers', function() {
   var AndroidSurfaceFlinger = tr.model.helpers.AndroidSurfaceFlinger;
 
   var IMPORTANT_SURFACE_FLINGER_SLICES = {
-    'doComposition' : true,
-    'updateTexImage' : true,
-    'postFramebuffer' : true
+    'doComposition': true,
+    'updateTexImage': true,
+    'postFramebuffer': true
   };
   var IMPORTANT_UI_THREAD_SLICES = {
-    'Choreographer#doFrame' : true,
-    'performTraversals' : true,
-    'deliverInputEvent' : true
+    'Choreographer#doFrame': true,
+    'performTraversals': true,
+    'deliverInputEvent': true
   };
   var IMPORTANT_RENDER_THREAD_SLICES = {
-    'doFrame' : true
+    'doFrame': true
   };
 
   function iterateImportantThreadSlices(thread, important, callback) {