Implement Page Selection in PDF Toolbar

chrome/browser/resources/pdf/elements/viewer-page-selector/viewer-page-selector.css

Index: chrome/browser/resources/pdf/elements/viewer-page-selector/viewer-page-selector.css
diff --git a/chrome/browser/resources/pdf/elements/viewer-page-selector/viewer-page-selector.css b/chrome/browser/resources/pdf/elements/viewer-page-selector/viewer-page-selector.css
new file mode 100644
index 0000000000000000000000000000000000000000..f5dcd6e9da7d2b44c11f3ca9da1ca323e2400cbd
--- /dev/null
+++ b/chrome/browser/resources/pdf/elements/viewer-page-selector/viewer-page-selector.css
@@ -0,0 +1,38 @@
+/* Copyright 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. */
+
+:host {
+  visibility: hidden;
+}
+
+#pageselector {
+  display: inline-block;
+  width: 0.6em;
+}
+
+paper-input /deep/ ::-webkit-input-placeholder {
+  color: rgb(241, 241, 241);
+}
+
+paper-input /deep/ .focused-underline {
+  background-color: rgb(241, 241, 241);
+}
+
+paper-input /deep/ .unfocused-underline {
+  background-color: transparent;
+}
+
+paper-input:hover /deep/ .unfocused-underline {
+  background-color: rgb(241, 241, 241);
+}
+
+paper-input::shadow input[is='core-input'] {
+  margin: 0;
+  text-align: right;
+}
+
+#pagelength {
+  color: rgb(144, 202, 251);
+  font-size: 0.7em;
+}