1 files changed, 31 insertions, 0 deletions
diff --git a/chrome/browser/views/tabs/tab.cc b/chrome/browser/views/tabs/tab.cc
index efebda1..a775734 100644
--- a/chrome/browser/views/tabs/tab.cc
+++ b/chrome/browser/views/tabs/tab.cc
@@ -13,6 +13,7 @@
 #include "base/compiler_specific.h"
 #include "base/gfx/size.h"
 #include "chrome/browser/tab_menu_model.h"
+#include "chrome/browser/views/frame/browser_extender.h"
 #include "chrome/browser/views/frame/browser_view.h"
 #include "chrome/browser/views/tabs/tab_strip.h"
 #include "grit/generated_resources.h"
@@ -141,6 +142,11 @@ bool Tab::OnMousePressed(const views::MouseEvent& event) {
     bool just_selected = !IsSelected();
     if (just_selected) {
       delegate_->SelectTab(this);
+      // This is a hack to update the compact location bar when the tab
+      // is selected. This is just an experiement and will be modified later.
+      // TODO(oshima): Improve the BrowserExtender interface if we
+      // decided to keep this UI, or remove this otherwise.
+      GetBrowserExtender()->OnMouseEnteredToTab(this);
     }
     delegate_->MaybeStartDrag(this, event);
   }
@@ -168,6 +174,20 @@ void Tab::OnMouseReleased(const views::MouseEvent& event, bool canceled) {
     delegate_->CloseTab(this);
 }
 
+void Tab::OnMouseEntered(const views::MouseEvent& event) {
+  TabRenderer::OnMouseEntered(event);
+  GetBrowserExtender()->OnMouseEnteredToTab(this);
+}
+
+void Tab::OnMouseMoved(const views::MouseEvent& event) {
+  GetBrowserExtender()->OnMouseMovedOnTab(this);
+}
+
+void Tab::OnMouseExited(const views::MouseEvent& event) {
+  TabRenderer::OnMouseExited(event);
+  GetBrowserExtender()->OnMouseExitedFromTab(this);
+}
+
 bool Tab::GetTooltipText(int x, int y, std::wstring* tooltip) {
   std::wstring title = GetTitle();
   if (!title.empty()) {
@@ -221,6 +241,17 @@ void Tab::ButtonPressed(views::Button* sender, const views::Event& event) {
 ///////////////////////////////////////////////////////////////////////////////
 // Tab, private:
 
+BrowserExtender* Tab::GetBrowserExtender() {
+  // This is a hack to BrowserExtender from a Tab.
+  // TODO(oshima): Fix when the decision on compact location bar is made.
+  // Potential candidates are:
+  // * Use View ID with a cached reference to BrowserView.
+  // * Pass the BrowserView reference to Tabs.
+  // * Add GetBrowserView method to Delegate.
+  TabStrip* tab_strip = static_cast<TabStrip*>(delegate_);
+  return static_cast<BrowserView*>(tab_strip->GetParent())->browser_extender();
+}
+
 void Tab::MakePathForTab(gfx::Path* path) const {
   DCHECK(path);