Select theme resources from ResourceBundle at requested scale factor.

content/shell/shell_devtools_delegate.cc

Index: content/shell/shell_devtools_delegate.cc
diff --git a/content/shell/shell_devtools_delegate.cc b/content/shell/shell_devtools_delegate.cc
index 15cdce8bb6fdea408b687fdadf04deb819b100bc..61048734f3e395314530630d982eff14bdd4998e 100644
--- a/content/shell/shell_devtools_delegate.cc
+++ b/content/shell/shell_devtools_delegate.cc
@@ -10,6 +10,7 @@
 #include "grit/shell_resources.h"
 #include "net/url_request/url_request_context_getter.h"
 #include "ui/base/resource/resource_bundle.h"
+#include "ui/base/resource/resource_handle.h"
 
 namespace content {
 
@@ -35,7 +36,8 @@ void ShellDevToolsDelegate::Stop() {
 
 std::string ShellDevToolsDelegate::GetDiscoveryPageHTML() {
   return ResourceBundle::GetSharedInstance().GetRawDataResource(
-      IDR_CONTENT_SHELL_DEVTOOLS_DISCOVERY_PAGE).as_string();
+      IDR_CONTENT_SHELL_DEVTOOLS_DISCOVERY_PAGE,
+      ui::ResourceHandle::kScaleFactorNone).as_string();
 }
 
 bool ShellDevToolsDelegate::BundlesFrontendResources() {