Add an ability for resize in gallery.

ui/file_manager/gallery/css/gallery.css

Index: ui/file_manager/gallery/css/gallery.css
diff --git a/ui/file_manager/gallery/css/gallery.css b/ui/file_manager/gallery/css/gallery.css
index e655980fa222e1b2a65169c732cfed01ef9b63f6..a2f8729a06c7fa0d793a01257020cf8f960da867 100644
--- a/ui/file_manager/gallery/css/gallery.css
+++ b/ui/file_manager/gallery/css/gallery.css
@@ -752,6 +752,12 @@ button[disabled] {
       url(../images/200/crop.png) 2x);
 }
 
+.edit-main button.resize .icon {
+  background-image:  -webkit-image-set(
+      url(../images/100/resize.png) 1x,
+      url(../images/200/resize.png) 2x);
+}
+
 .edit-main button.exposure .icon {
   background-image: -webkit-image-set(
       url(../images/100/brightness.png) 1x,
@@ -1014,6 +1020,23 @@ paper-slider::shadow paper-progress::shadow #progressContainer {
   bottom: -6px;
 }
 
+/* Input UI */
+.edit-modal .input {
+  -webkit-margin-end: 10px;
+  align-items: flex-end;
+  display: flex;
+  width: 100px;
+}
+
+.edit-modal .input:first-child {
+  -webkit-margin-end: 30px;
+}
+
+.edit-modal .input > .unit_label {
+  color: rgba(255, 255, 255, 0.4);
+  margin-bottom: 10px;
+}
+
 /* Prompt/notification panel */
 
 .gallery .prompt-wrapper {