Making window.focus()/blur() work only when there is a user gesture.

chrome/browser/browser.cc

Index: chrome/browser/browser.cc
diff --git a/chrome/browser/browser.cc b/chrome/browser/browser.cc
index f8c91744a093eaaba42020ba034d81ba99c1e0b7..e4a5f8cb6b8ef390a97cfa60b3ba4e9753641ef5 100644
--- a/chrome/browser/browser.cc
+++ b/chrome/browser/browser.cc
@@ -2659,6 +2659,10 @@ void Browser::ActivateContents(TabContents* contents) {
   window_->Activate();
 }
 
+void Browser::DeactivateContents(TabContents* contents) {
+  window_->Deactivate();
+}
+
 void Browser::LoadingStateChanged(TabContents* source) {
   window_->UpdateLoadingAnimations(tabstrip_model_.TabsAreLoading());
   window_->UpdateTitleBar();
@@ -2802,14 +2806,6 @@ bool Browser::TakeFocus(bool reverse) {
   return false;
 }
 
-void Browser::Activate() {
-  window_->Activate();
-}
-
-void Browser::Deactivate() {
-  window_->Deactivate();
-}
-
 bool Browser::IsApplication() const {
   return (type_ & TYPE_APP) != 0;
 }