Renderers should obtain browser InterfaceProvider by connecting to browser

content/browser/browser_context.cc

Index: content/browser/browser_context.cc
diff --git a/content/browser/browser_context.cc b/content/browser/browser_context.cc
index 59b0047b06762270ccd31eb0b1abae02ed25d0d7..a10c749e1bbe172af30b4e892c703102dd4768d0 100644
--- a/content/browser/browser_context.cc
+++ b/content/browser/browser_context.cc
@@ -473,12 +473,17 @@ BrowserContext* BrowserContext::GetBrowserContextForShellUserId(
 // static
 shell::Connector* BrowserContext::GetShellConnectorFor(
     BrowserContext* browser_context) {
+  MojoShellConnection* connection = GetMojoShellConnectionFor(browser_context);
+  return connection ? connection->GetConnector() : nullptr;
+}
+
+// static
+MojoShellConnection* BrowserContext::GetMojoShellConnectionFor(
+    BrowserContext* browser_context) {
   BrowserContextShellConnectionHolder* connection_holder =
       static_cast<BrowserContextShellConnectionHolder*>(
           browser_context->GetUserData(kMojoShellConnection));
-  if (!connection_holder)
-    return nullptr;
-  return connection_holder->shell_connection()->GetConnector();
+  return connection_holder ? connection_holder->shell_connection() : nullptr;
 }
 
 BrowserContext::~BrowserContext() {