4 files changed, 40 insertions, 10 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);
 
diff --git a/chrome/browser/views/tabs/tab.h b/chrome/browser/views/tabs/tab.h
index 303a80a..e543ea3 100644
--- a/chrome/browser/views/tabs/tab.h
+++ b/chrome/browser/views/tabs/tab.h
@@ -12,6 +12,7 @@ namespace gfx {
 class Path;
 class Point;
 }
+class BrowserExtender;
 
 ///////////////////////////////////////////////////////////////////////////////
 //
@@ -94,6 +95,9 @@ class Tab : public TabRenderer,
   virtual bool OnMouseDragged(const views::MouseEvent& event);
   virtual void OnMouseReleased(const views::MouseEvent& event,
                                bool canceled);
+  virtual void OnMouseEntered(const views::MouseEvent& event);
+  virtual void OnMouseMoved(const views::MouseEvent& event);
+  virtual void OnMouseExited(const views::MouseEvent& event);
   virtual bool GetTooltipText(int x, int y, std::wstring* tooltip);
   virtual bool GetTooltipTextOrigin(int x, int y, gfx::Point* origin);
   virtual std::string GetClassName() const { return kTabClassName; }
@@ -109,6 +113,9 @@ class Tab : public TabRenderer,
   // views::ButtonListener overrides:
   virtual void ButtonPressed(views::Button* sender, const views::Event& event);
 
+  // Returns the BrowserExtender of the window that this tab belongs to.
+  BrowserExtender* GetBrowserExtender();
+
   // Creates a path that contains the clickable region of the tab's visual
   // representation. Used by GetViewForPoint for hit-testing.
   void MakePathForTab(gfx::Path* path) const;
diff --git a/chrome/browser/views/tabs/tab_strip.cc b/chrome/browser/views/tabs/tab_strip.cc
index 27bbb68..248506a 100644
--- a/chrome/browser/views/tabs/tab_strip.cc
+++ b/chrome/browser/views/tabs/tab_strip.cc
@@ -1052,10 +1052,6 @@ void TabStrip::ThemeChanged() {
   LoadNewTabButtonImage();
 }
 
-Tab* TabStrip::CreateTab() {
-  return new Tab(this);
-}
-
 void TabStrip::ViewHierarchyChanged(bool is_add,
                                     views::View* parent,
                                     views::View* child) {
@@ -1105,7 +1101,7 @@ void TabStrip::TabInsertedAt(TabContents* contents,
 
   // Otherwise we need to make a new Tab.
   if (!tab)
-    tab = CreateTab();
+    tab = new Tab(this);
 
   // Only insert if we're not already in the list.
   if (!contains_tab) {
diff --git a/chrome/browser/views/tabs/tab_strip.h b/chrome/browser/views/tabs/tab_strip.h
index 27f6a97..9ecece6 100644
--- a/chrome/browser/views/tabs/tab_strip.h
+++ b/chrome/browser/views/tabs/tab_strip.h
@@ -12,6 +12,7 @@
 #include "views/controls/button/image_button.h"
 #include "views/view.h"
 
+class BrowserExtender;
 class DraggedTabController;
 class ScopedMouseCloseWidthCalculator;
 class TabStripModel;
@@ -116,12 +117,7 @@ class TabStrip : public views::View,
   virtual void SetAccessibleName(const std::wstring& name);
   virtual views::View* GetViewForPoint(const gfx::Point& point);
   virtual void ThemeChanged();
-
  protected:
-  // Creates a new tab.
-  virtual Tab* CreateTab();
-
-  // views::View implementation:
   virtual void ViewHierarchyChanged(bool is_add,
                                     views::View* parent,
                                     views::View* child);