Pull AsyncApiFunction out of src/chrome

extensions/browser/extension_function.h

Index: extensions/browser/extension_function.h
diff --git a/extensions/browser/extension_function.h b/extensions/browser/extension_function.h
index 099dff1661180e307549437809b5422e2b2f88a2..b0af0ae9a6699602580b57381e2c057260ae04c9 100644
--- a/extensions/browser/extension_function.h
+++ b/extensions/browser/extension_function.h
@@ -302,8 +302,10 @@ class UIThreadExtensionFunction : public ExtensionFunction {
 
   // Set the browser context which contains the extension that has originated
   // this function call.
-  void set_context(content::BrowserContext* context) { context_ = context; }
-  content::BrowserContext* context() const { return context_; }
+  void set_browser_context(content::BrowserContext* context) {
+    context_ = context;
+  }
+  content::BrowserContext* browser_context() const { return context_; }
 
   void SetRenderViewHost(content::RenderViewHost* render_view_host);
   content::RenderViewHost* render_view_host() const {