move test args, add thorium_sandbox target, add restore icon for upcoming button

other/thorium-2024-ui.patch

@@ -784,7 +784,7 @@ index b57fb5baa52a7..4fc9467f16b6c 100644
 +  // Besides the frame border, there's empty space atop the window in restored
 +  // mode, to use to drag the window around.
 +  constexpr int kNonClientRestoredExtraThickness = 8;
-+  const int thickness = kNonClientRestoredExtraThickness;
++  int thickness = kNonClientRestoredExtraThickness;
 +  if (EverHasVisibleBackgroundTabShapes() && features::IsThorium2024()) {
 +    thickness =
 +        std::max(thickness, BrowserNonClientFrameView::kMinimumDragHeight);

src/BUILD.gn

@@ -87,7 +87,14 @@ group("thorium") {
   }
 
   if (is_linux || is_chromeos) {
-    deps += [ "//sandbox/linux:chrome_sandbox" ]
+    deps += [ ":thorium_sandbox" ]
+  }
+}
+
+# Simply to rename the sandbox target
+group("thorium_sandbox") {
+  if (is_linux || is_chromeos) {
+    deps = [ "//sandbox/linux:chrome_sandbox" ]
   }
 }
 
@@ -110,7 +117,7 @@ group("thorium_all") {
   }
 
   if (is_linux) {
-    deps += [ "//sandbox/linux:chrome_sandbox" ]
+    deps += [ ":thorium_sandbox" ]
   }
 
   if (is_win) {

src/chrome/browser/thorium_flag_entries.h

@@ -130,7 +130,7 @@
 #if !BUILDFLAG(IS_ANDROID)
     {"disable-download-bubble",
      "Disable Download Bubble",
-     "When enabled, the traditional download shelf is used instead of the download bubble. Thorium flag",
+     "When enabled, the traditional download shelf is used instead of the download bubble in the toolbar. Thorium flag",
      kOsDesktop, SINGLE_VALUE_TYPE("disable-download-bubble")},
 #endif // BUILDFLAG(IS_ANDROID)
 

src/components/vector_icons/BUILD.gn

@@ -247,8 +247,11 @@ aggregate_vector_icons("components_vector_icons") {
   ]
 
   if (is_thorium_build) {
-    sources += [ "thorium/reload_thorium.icon" ]
-    sources += [ "thorium/reload_chrome_refresh_thorium.icon" ]
+    sources += [
+      "thorium/reload_thorium.icon",
+      "thorium/reload_chrome_refresh_thorium.icon",
+      "thorium/restore.icon"
+    ]
   }
 
   if (is_chromeos) {

src/components/vector_icons/thorium/restore.icon

@@ -0,0 +1,35 @@
+// Copyright 2024 The Chromium Authors and Alex313031
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+CANVAS_DIMENSIONS, 20,
+FILL_RULE_NONZERO,
+MOVE_TO, 10, 17,
+R_CUBIC_TO, -1.94f, 0, -3.6f, -0.68f, -4.96f, -2.04f,
+CUBIC_TO, 3.68f, 13.6f, 3, 11.95f, 3, 10,
+R_H_LINE_TO, 1.5f,
+R_CUBIC_TO, 0, 1.52f, 0.54f, 2.81f, 1.61f, 3.89f,
+CUBIC_TO, 7.19f, 14.96f, 8.48f, 15.5f, 10, 15.5f,
+R_CUBIC_TO, 1.52f, 0, 2.81f, -0.54f, 3.89f, -1.61f,
+CUBIC_TO, 14.96f, 12.81f, 15.5f, 11.52f, 15.5f, 10,
+R_CUBIC_TO, 0, -1.52f, -0.54f, -2.81f, -1.61f, -3.89f,
+CUBIC_TO, 12.81f, 5.04f, 11.52f, 4.5f, 10, 4.5f,
+R_CUBIC_TO, -0.86f, 0, -1.66f, 0.18f, -2.39f, 0.54f,
+ARC_TO, 5.33f, 5.33f, 0, 0, 0, 5.77f, 6.5f,
+H_LINE_TO, 8,
+V_LINE_TO, 8,
+H_LINE_TO, 3,
+V_LINE_TO, 3,
+R_H_LINE_TO, 1.5f,
+R_V_LINE_TO, 2.71f,
+ARC_TO, 6.94f, 6.94f, 0, 0, 1, 6.89f, 3.73f,
+CUBIC_TO, 7.84f, 3.24f, 8.88f, 3, 10, 3,
+R_CUBIC_TO, 0.97f, 0, 1.88f, 0.18f, 2.73f, 0.56f,
+R_CUBIC_TO, 0.85f, 0.37f, 1.59f, 0.87f, 2.22f, 1.5f,
+R_ARC_TO, 7.05f, 7.05f, 0, 0, 1, 1.5f, 2.22f,
+R_CUBIC_TO, 0.37f, 0.85f, 0.56f, 1.76f, 0.56f, 2.73f,
+R_CUBIC_TO, 0, 0.97f, -0.18f, 1.88f, -0.56f, 2.73f,
+R_ARC_TO, 7.05f, 7.05f, 0, 0, 1, -1.5f, 2.22f,
+R_ARC_TO, 7.05f, 7.05f, 0, 0, 1, -2.22f, 1.5f,
+ARC_TO, 6.73f, 6.73f, 0, 0, 1, 10, 17,
+CLOSE