Remove last vestigial uses of "update needed" png assets.

chrome/browser/recovery/recovery_install_global_error.cc

Index: chrome/browser/recovery/recovery_install_global_error.cc
diff --git a/chrome/browser/recovery/recovery_install_global_error.cc b/chrome/browser/recovery/recovery_install_global_error.cc
index 8e2964a010146741758cd82c6790e6813b7769c7..0b4d55bbdd9ba4101802c3582bb85eb44c3fa36f 100644
--- a/chrome/browser/recovery/recovery_install_global_error.cc
+++ b/chrome/browser/recovery/recovery_install_global_error.cc
@@ -14,10 +14,11 @@
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/pref_names.h"
 #include "chrome/grit/chromium_strings.h"
-#include "chrome/grit/theme_resources.h"
 #include "components/prefs/pref_service.h"
 #include "ui/base/l10n/l10n_util.h"
-#include "ui/base/resource/resource_bundle.h"
+#include "ui/gfx/paint_vector_icon.h"
+#include "ui/gfx/vector_icons_public.h"
+#include "ui/native_theme/native_theme.h"
 
 RecoveryInstallGlobalError::RecoveryInstallGlobalError(Profile* profile)
         : elevation_needed_(false),
@@ -43,8 +44,7 @@ RecoveryInstallGlobalError::RecoveryInstallGlobalError(Profile* profile)
                  base::Unretained(this)));
 }
 
-RecoveryInstallGlobalError::~RecoveryInstallGlobalError() {
-}
+RecoveryInstallGlobalError::~RecoveryInstallGlobalError() {}
 
 void RecoveryInstallGlobalError::Shutdown() {
   GlobalErrorServiceFactory::GetForProfile(profile_)->RemoveUnownedGlobalError(
@@ -68,8 +68,10 @@ base::string16 RecoveryInstallGlobalError::MenuItemLabel() {
 }
 
 gfx::Image RecoveryInstallGlobalError::MenuItemIcon() {
-  return ResourceBundle::GetSharedInstance().GetNativeImageNamed(
-      IDR_UPDATE_MENU_SEVERITY_HIGH);
+  return gfx::Image(gfx::CreateVectorIcon(
+      gfx::VectorIconId::BROWSER_TOOLS_UPDATE,
+      ui::NativeTheme::GetInstanceForNativeUi()->GetSystemColor(
+          ui::NativeTheme::kColorId_AlertSeverityHigh)));
 }
 
 void RecoveryInstallGlobalError::ExecuteMenuItem(Browser* browser) {
@@ -94,8 +96,9 @@ bool RecoveryInstallGlobalError::ShouldCloseOnDeactivate() const {
 }
 
 gfx::Image RecoveryInstallGlobalError::GetBubbleViewIcon() {
-  return ResourceBundle::GetSharedInstance().GetNativeImageNamed(
-      IDR_UPDATE_MENU_SEVERITY_HIGH);
+  // TODO(estade): there shouldn't be an icon in the bubble, but
+  // GlobalErrorBubbleView currently requires it. See crbug.com/673995
+  return MenuItemIcon();
 }
 
 base::string16 RecoveryInstallGlobalError::GetBubbleViewTitle() {