Change the default appearance of text controls and input[type=range] to 'auto'

This doesn't change rendering behavior, but changes
|getComputedStyle(element)['appearance']| results. The new behavior
matches to Firefox.

Bug: 965432
Change-Id: Ia3d495a362381a6b057ec0df2b8d38e6765e1e66
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2546395
Commit-Queue: Yoshifumi Inoue <yosin@chromium.org>
Auto-Submit: Kent Tamura <tkent@chromium.org>
Reviewed-by: Yoshifumi Inoue <yosin@chromium.org>
Cr-Commit-Position: refs/heads/master@{#829010}

third_party/blink/renderer/core/html/resources/html.css

@@ -424,7 +424,7 @@ input[type="hidden" i] {
 }
 
 input {
-    -webkit-appearance: textfield; /* AutoAppearanceFor() should match to this. */
+    appearance: auto;
     padding: 1px;
     background-color: -internal-light-dark(white, black);
     border: 2px inset;
@@ -433,7 +433,7 @@ input {
 }
 
 input[type="search" i] {
-    -webkit-appearance: searchfield; /* AutoAppearanceFor() should match to this. */
+    appearance: auto;
     box-sizing: border-box;
 }
 
@@ -500,7 +500,7 @@ select {
 }
 
 textarea {
-    -webkit-appearance: textarea; /* AutoAppearanceFor() should match to this. */
+    appearance: auto;
     background-color: -internal-light-dark(white, black);
     border: 1px solid;
     column-count: initial !important;
@@ -633,7 +633,7 @@ input[type="button" i], input[type="submit" i], input[type="reset" i], input[typ
 }
 
 input[type="range" i] {
-    -webkit-appearance: slider-horizontal; /* AutoAppearanceFor() should match to this. */
+    appearance: auto; /* AutoAppearanceFor() should match to this. */
     padding: initial;
     border: initial;
     margin: 2px;

third_party/blink/web_tests/external/wpt/html/rendering/widgets/appearance/default-styles-expected.txt

 This is a testharness.js-based test.
-FAIL <input> assert_equals: -webkit-appearance expected "auto" but got "textfield"
-FAIL <input type="text"> assert_equals: -webkit-appearance expected "auto" but got "textfield"
-FAIL <input type="TEXT"> assert_equals: -webkit-appearance expected "auto" but got "textfield"
-FAIL <input type="search"> assert_equals: -webkit-appearance expected "auto" but got "searchfield"
-FAIL <input type="tel"> assert_equals: -webkit-appearance expected "auto" but got "textfield"
-FAIL <input type="url"> assert_equals: -webkit-appearance expected "auto" but got "textfield"
-FAIL <input type="email"> assert_equals: -webkit-appearance expected "auto" but got "textfield"
-FAIL <input type="password"> assert_equals: -webkit-appearance expected "auto" but got "textfield"
-FAIL <input type="date"> assert_equals: -webkit-appearance expected "auto" but got "textfield"
-FAIL <input type="month"> assert_equals: -webkit-appearance expected "auto" but got "textfield"
-FAIL <input type="week"> assert_equals: -webkit-appearance expected "auto" but got "textfield"
-FAIL <input type="time"> assert_equals: -webkit-appearance expected "auto" but got "textfield"
-FAIL <input type="datetime-local"> assert_equals: -webkit-appearance expected "auto" but got "textfield"
-FAIL <input type="number"> assert_equals: -webkit-appearance expected "auto" but got "textfield"
-FAIL <input type="range"> assert_equals: -webkit-appearance expected "auto" but got "slider-horizontal"
+PASS <input>
+PASS <input type="text">
+PASS <input type="TEXT">
+PASS <input type="search">
+PASS <input type="tel">
+PASS <input type="url">
+PASS <input type="email">
+PASS <input type="password">
+PASS <input type="date">
+PASS <input type="month">
+PASS <input type="week">
+PASS <input type="time">
+PASS <input type="datetime-local">
+PASS <input type="number">
+PASS <input type="range">
 PASS <input type="color">
 PASS <input type="checkbox">
 PASS <input type="radio">
 PASS <input type="submit">
 PASS <input type="reset">
 PASS <input type="button">
-FAIL <input type="unknowntype"> assert_equals: -webkit-appearance expected "auto" but got "textfield"
+PASS <input type="unknowntype">
 FAIL <select> assert_equals: -webkit-appearance expected "auto" but got "menulist"
 FAIL <select multiple=""> assert_equals: -webkit-appearance expected "auto" but got "listbox"
 FAIL <select size="2"> assert_equals: -webkit-appearance expected "auto" but got "listbox"
 PASS <button>
-FAIL <textarea> assert_equals: -webkit-appearance expected "auto" but got "textarea"
+PASS <textarea>
 PASS <meter>
 PASS <progress>
 PASS <input type="hidden">