Remove the i from visib[i]le.

ui/compositor/layer_unittest.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "ui/compositor/layer.h"
 
 #include <stddef.h>
 
 #include <memory>
 #include <utility>
@@ skipping 971 matching lines @@
   EXPECT_TRUE(l1->cc_layer_for_testing()->DrawsContent());
   EXPECT_TRUE(l1->cc_layer_for_testing()->contents_opaque());
   EXPECT_TRUE(l1->cc_layer_for_testing()->hide_layer_and_subtree());
   EXPECT_EQ(gfx::Size(4, 5), l1->cc_layer_for_testing()->bounds());
   EXPECT_FALSE(callback3_run);
 
   // Release the on |l1| mailbox to clean up the test.
   l1->SetShowSolidColorContent();
 }
 
-// Various visibile/drawn assertions.
+// Various visible/drawn assertions.
 TEST_F(LayerWithNullDelegateTest, Visibility) {
   std::unique_ptr<Layer> l1(new Layer(LAYER_TEXTURED));
   std::unique_ptr<Layer> l2(new Layer(LAYER_TEXTURED));
   std::unique_ptr<Layer> l3(new Layer(LAYER_TEXTURED));
   l1->Add(l2.get());
   l2->Add(l3.get());
 
   NullLayerDelegate delegate;
   l1->set_delegate(&delegate);
   l2->set_delegate(&delegate);
@@ skipping 1240 matching lines @@
   layer.set_name("foo");
   std::unique_ptr<base::trace_event::ConvertableToTraceFormat> debug_info =
       layer.TakeDebugInfo(nullptr);
   std::string trace_format("bar,");
   debug_info->AppendAsTraceFormat(&trace_format);
   std::string expected("bar,{\"layer_name\":\"foo\"}");
   EXPECT_EQ(expected, trace_format);
 }
 
 }  // namespace ui