Changed two icons for desktop user menu on Linux/Windows:

1. Changed the icon for the "Manage people" button;
2. Changed the icon for sync error on the titlebar.

See design doc here: https://docs.google.com/document/d/17yHrKd_EU6WoIAgljnZmNCSJLRlbM3O2Pxr7aPEnqik/edit?ts=57445a70#heading=h.6xesoh23gozz

This CL is dependent on https://codereview.chromium.org/2028473002/

BUG=615893

Review-Url: https://codereview.chromium.org/2019053002
Cr-Commit-Position: refs/heads/master@{#398141}

chrome/browser/ui/views/profiles/new_avatar_button.cc

@@ -14,6 +14,7 @@
 #include "chrome/browser/profiles/profiles_state.h"
 #include "chrome/browser/ui/views/profiles/avatar_button_delegate.h"
 #include "chrome/browser/ui/views/profiles/profile_chooser_view.h"
+#include "components/signin/core/common/profile_management_switches.h"
 #include "grit/theme_resources.h"
 #include "ui/base/resource/resource_bundle.h"
 #include "ui/gfx/canvas.h"
@@ -213,9 +214,15 @@ void NewAvatarButton::Update() {
   if (use_generic_button) {
     SetImage(views::Button::STATE_NORMAL, generic_avatar_);
   } else if (has_auth_error_) {
-    SetImage(views::Button::STATE_NORMAL,
-             gfx::CreateVectorIcon(gfx::VectorIconId::WARNING, 13,
-                                   gfx::kGoogleYellow700));
+    if (switches::IsMaterialDesignUserMenu()) {
+      SetImage(views::Button::STATE_NORMAL,
+               gfx::CreateVectorIcon(gfx::VectorIconId::SYNC_PROBLEM, 13,
+                                     gfx::kGoogleRed700));
+    } else {
+      SetImage(views::Button::STATE_NORMAL,
+               gfx::CreateVectorIcon(gfx::VectorIconId::WARNING, 13,
+                                     gfx::kGoogleYellow700));
+    }
   } else {
     SetImage(views::Button::STATE_NORMAL, gfx::ImageSkia());
   }

chrome/browser/ui/views/profiles/profile_chooser_view.cc

@@ -1498,9 +1498,13 @@ views::View* ProfileChooserView::CreateOptionsView(bool display_lock) {
       l10n_util::GetStringUTF16(IDS_PROFILES_EXIT_GUEST) :
       l10n_util::GetStringUTF16(IDS_PROFILES_MANAGE_USERS_BUTTON);
   const int kIconSize = 16;
+
+  gfx::VectorIconId settings_icon = switches::IsMaterialDesignUserMenu() ?
+      gfx::VectorIconId::SETTINGS : gfx::VectorIconId::ACCOUNT_BOX;
   users_button_ = new BackgroundColorHoverButton(
-      this, text, gfx::CreateVectorIcon(gfx::VectorIconId::ACCOUNT_BOX,
-                                        kIconSize, gfx::kChromeIconGrey));
+      this, text, gfx::CreateVectorIcon(settings_icon, kIconSize,
+                                        gfx::kChromeIconGrey));
+
   layout->StartRow(1, 0);
   layout->AddView(users_button_);