Show extension uninstall dialog in browser window.

chrome/browser/extensions/chrome_extension_function_details.h

Index: chrome/browser/extensions/chrome_extension_function_details.h
diff --git a/chrome/browser/extensions/chrome_extension_function_details.h b/chrome/browser/extensions/chrome_extension_function_details.h
index ba09652ba014a418a432a2dfcccd5d89d43704e9..8ea440e38100e289ee6cfea7c5766f62a859c2cc 100644
--- a/chrome/browser/extensions/chrome_extension_function_details.h
+++ b/chrome/browser/extensions/chrome_extension_function_details.h
@@ -6,6 +6,7 @@
 #define CHROME_BROWSER_EXTENSIONS_CHROME_EXTENSION_FUNCTION_DETAILS_H_
 
 #include "base/macros.h"
+#include "ui/gfx/native_widget_types.h"
 
 class Browser;
 class Profile;
@@ -57,6 +58,18 @@ class ChromeExtensionFunctionDetails {
   // contents then defaults to the foremost one.
   content::WebContents* GetAssociatedWebContents();
 
+  // Gets the web contents where the function is originated. This will return
+  // the sender's web contents if it's not from a background page. Otherwise
+  // this method will try to find the web contents from source_tab_id if it's
+  // not TabStripModel::kNoTab, or find the app's web contents by the extension
+  // id. If the web contents still can't be found, NULL will be returned.
+  content::WebContents* GetOriginWebContents();

[not at google - send to devlin, 2015/07/10 22:52:48]

I like it.

+
+  // Find a UI surface to display any UI (like a permission prompt) for the
+  // extension calling this function. If the origin's window can't be found,
+  // the browser's window will be returned.
+  gfx::NativeWindow GetNativeWindowForUI();
+
   // Returns a pointer to the associated UIThreadExtensionFunction
   UIThreadExtensionFunction* function() { return function_; }
   const UIThreadExtensionFunction* function() const { return function_; }