The Great Blink mv for source files, part 2.

Move and rename files.

NOAUTOREVERT=true
NOPRESUBMIT=true
NOTREECHECKS=true
Bug: 768828
[email protected]
NOTRY=true

Change-Id: I66d3b155808bc5bdbf237b80208e1e552bcf7f28
Reviewed-on: https://chromium-review.googlesource.com/1001153
Reviewed-by: Blink Reformat <[email protected]>
Commit-Queue: Blink Reformat <[email protected]>
Cr-Original-Commit-Position: refs/heads/master@{#549061}
Cr-Mirrored-From: https://chromium.googlesource.com/chromium/src
Cr-Mirrored-Commit: 0aee4434a4dba42a42abaea9bfbc0cd196a63bc1
diff --git a/front_end/ui/tooltip.css b/front_end/ui/tooltip.css
new file mode 100644
index 0000000..e1440b9
--- /dev/null
+++ b/front_end/ui/tooltip.css
@@ -0,0 +1,49 @@
+/*
+ * Copyright (c) 2015 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.
+ */
+
+.tooltip {
+    background: hsl(0, 0%, 95%);
+    border-radius: 2px;
+    color: hsl(0, 0%, 20%);
+    padding: 5px 8px;
+    line-height: 14px;
+    display: flex;
+    align-items: center;
+    -webkit-filter: drop-shadow(0 1px 2px hsla(0, 0%, 0%, 0.3));
+    border: 1px solid hsla(0, 0%, 0%, 0.1);
+    background-clip: padding-box;
+    box-sizing: border-box;
+    position: absolute;
+    visibility: hidden;
+    transition: visibility 0s 100ms, opacity 150ms cubic-bezier(0, 0, .2, 1);
+    z-index: 20001;
+    top: 0;
+    left: 0;
+    opacity: 0;
+    text-overflow: ellipsis;
+    overflow: hidden;
+}
+
+.tooltip-breakword {
+    word-break: break-word;
+}
+
+.tooltip.shown {
+    visibility: visible;
+    transition-delay: 600ms;
+    opacity: 1;
+}
+
+.tooltip.shown.instant {
+    transition-delay: 0s;
+}
+
+.tooltip-shortcut {
+    color: hsl(0, 0%, 45%);
+    display: inline-block;
+    margin-left: 8px;
+    flex: 0 0 auto;
+}