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-rw-r--r--chrome/browser/extensions/extension_host.cc17
1 files changed, 10 insertions, 7 deletions
diff --git a/chrome/browser/extensions/extension_host.cc b/chrome/browser/extensions/extension_host.cc
index 0ad3a9e..77bee6c 100644
--- a/chrome/browser/extensions/extension_host.cc
+++ b/chrome/browser/extensions/extension_host.cc
@@ -549,7 +549,7 @@ void ExtensionHost::HandleMouseLeave() {
#endif
}
-Browser* ExtensionHost::GetBrowser() {
+Browser* ExtensionHost::GetBrowser() const {
if (view_.get())
return view_->browser();
@@ -604,16 +604,19 @@ void ExtensionHost::RenderViewCreated(RenderViewHost* render_view_host) {
}
int ExtensionHost::GetBrowserWindowID() const {
+ // Hosts not attached to any browser window have an id of -1. This includes
+ // those mentioned below, and background pages.
int window_id = -1;
if (extension_host_type_ == ViewType::EXTENSION_TOOLSTRIP ||
extension_host_type_ == ViewType::EXTENSION_MOLE ||
extension_host_type_ == ViewType::EXTENSION_POPUP) {
- window_id = ExtensionTabUtil::GetWindowId(
- const_cast<ExtensionHost* >(this)->GetBrowser());
- } else if (extension_host_type_ == ViewType::EXTENSION_BACKGROUND_PAGE) {
- // Background page is not attached to any browser window, so pass -1.
- window_id = -1;
- } else {
+ // If the host is bound to a browser, then extract its window id.
+ // Extensions hosted in ExternalTabContainer objects may not have
+ // an associated browser.
+ Browser* browser = GetBrowser();
+ if (browser)
+ window_id = ExtensionTabUtil::GetWindowId(browser);
+ } else if (extension_host_type_ != ViewType::EXTENSION_BACKGROUND_PAGE) {
NOTREACHED();
}
return window_id;