[iOS] Remove unused bookmarks images

Bug: 976664
Change-Id: I8b1cdcd88d5a76a91433f86c68f2a728770777d8
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1731844Reviewed-by: Mark Cogan <marq@chromium.org>
Commit-Queue: Robbie Gibson <rkgibson@google.com>
Cr-Commit-Position: refs/heads/master@{#684283}

ios/chrome/browser/ui/bookmarks/BUILD.gn

@@ -48,7 +48,6 @@ source_set("bookmarks") {
   ]
   deps = [
     ":bookmarks_ui",
-    "resources:bookmark_bar_shadow",
     "resources:bookmark_blue_check",
     "resources:bookmark_blue_folder",
     "resources:bookmark_blue_new_folder",

ios/chrome/browser/ui/bookmarks/bookmark_utils_ios.h

@@ -48,9 +48,6 @@ CGFloat StatusBarHeight();
 // Returns whether the bookmark menu should be presented in a slide in panel.
 BOOL bookmarkMenuIsInSlideInPanel();
 
-// Creates a drop shadow with the given width.
-UIView* dropShadowWithWidth(CGFloat width);
-
 #pragma mark - Updating Bookmarks
 
 // Creates the bookmark if |node| is NULL. Otherwise updates |node|.

ios/chrome/browser/ui/bookmarks/bookmark_utils_ios.mm

@@ -108,16 +108,6 @@ BOOL bookmarkMenuIsInSlideInPanel() {
   return !IsIPadIdiom() || IsCompactTablet();
 }
 
-UIView* dropShadowWithWidth(CGFloat width) {
-  UIImage* shadowImage = [UIImage imageNamed:@"bookmark_bar_shadow"];
-  UIImageView* shadow = [[UIImageView alloc] initWithImage:shadowImage];
-  CGRect shadowFrame = CGRectMake(0, 0, width, 4);
-  shadow.frame = shadowFrame;
-  shadow.autoresizingMask =
-      UIViewAutoresizingFlexibleTopMargin | UIViewAutoresizingFlexibleWidth;
-  return shadow;
-}
-
 #pragma mark - Updating Bookmarks
 
 // Deletes all subnodes of |node|, including |node|, that are in |bookmarks|.

ios/chrome/browser/ui/bookmarks/resources/BUILD.gn

@@ -4,19 +4,9 @@
 
 import("//build/config/ios/asset_catalog.gni")
 
-imageset("bookmark_bar_shadow") {
-  sources = [
-    "bookmark_bar_shadow.imageset/Contents.json",
-    "bookmark_bar_shadow.imageset/bookmark_bar_shadow.png",
-    "bookmark_bar_shadow.imageset/bookmark_bar_shadow@2x.png",
-    "bookmark_bar_shadow.imageset/bookmark_bar_shadow@3x.png",
-  ]
-}
-
 imageset("bookmark_blue_check") {
   sources = [
     "bookmark_blue_check.imageset/Contents.json",
-    "bookmark_blue_check.imageset/bookmark_blue_check.png",
     "bookmark_blue_check.imageset/bookmark_blue_check@2x.png",
     "bookmark_blue_check.imageset/bookmark_blue_check@3x.png",
   ]
@@ -25,7 +15,6 @@ imageset("bookmark_blue_check") {
 imageset("bookmark_blue_folder") {
   sources = [
     "bookmark_blue_folder.imageset/Contents.json",
-    "bookmark_blue_folder.imageset/bookmark_blue_folder.png",
     "bookmark_blue_folder.imageset/bookmark_blue_folder@2x.png",
     "bookmark_blue_folder.imageset/bookmark_blue_folder@3x.png",
   ]
@@ -34,7 +23,6 @@ imageset("bookmark_blue_folder") {
 imageset("bookmark_blue_new_folder") {
   sources = [
     "bookmark_blue_new_folder.imageset/Contents.json",
-    "bookmark_blue_new_folder.imageset/bookmark_blue_new_folder.png",
     "bookmark_blue_new_folder.imageset/bookmark_blue_new_folder@2x.png",
     "bookmark_blue_new_folder.imageset/bookmark_blue_new_folder@3x.png",
   ]

ios/chrome/browser/ui/bookmarks/resources/bookmark_bar_shadow.imageset/Contents.json

-{
-    "images": [
-        {
-            "idiom": "universal",
-            "scale": "1x",
-            "filename": "bookmark_bar_shadow.png"
-        },
-        {
-            "idiom": "universal",
-            "scale": "2x",
-            "filename": "bookmark_bar_shadow@2x.png"
-        },
-        {
-            "idiom": "universal",
-            "scale": "3x",
-            "filename": "bookmark_bar_shadow@3x.png"
-        }
-    ],
-    "info": {
-        "version": 1,
-        "author": "xcode"
-    }
-}