Change the visual appearance of panel on GTK per new UI design.

chrome/browser/ui/gtk/browser_titlebar.cc

Index: chrome/browser/ui/gtk/browser_titlebar.cc
diff --git a/chrome/browser/ui/gtk/browser_titlebar.cc b/chrome/browser/ui/gtk/browser_titlebar.cc
index 06596f126ae69326bf64b31d1a48b750f16992e1..9d12015d43d623ec26b71432bae4cc0885817377 100644
--- a/chrome/browser/ui/gtk/browser_titlebar.cc
+++ b/chrome/browser/ui/gtk/browser_titlebar.cc
@@ -56,7 +56,6 @@
 #include "ui/base/x/active_window_watcher_x.h"
 #include "ui/gfx/gtk_util.h"
 #include "ui/gfx/image/image.h"
-#include "ui/gfx/skbitmap_operations.h"
 
 using content::WebContents;
 
@@ -477,10 +476,10 @@ GtkWidget* BrowserTitlebar::GetButtonHBox(bool left_side) {
                     titlebar_right_buttons_vbox_;
 
   GtkWidget* top_padding = gtk_fixed_new();
-  gtk_widget_set_size_request(top_padding, -1, GetButtonOuterPadding());
+  gtk_widget_set_size_request(top_padding, -1, kButtonOuterPadding);
   gtk_box_pack_start(GTK_BOX(vbox), top_padding, FALSE, FALSE, 0);
 
-  GtkWidget* buttons_hbox = gtk_hbox_new(FALSE, GetButtonSpacing());
+  GtkWidget* buttons_hbox = gtk_hbox_new(FALSE, kButtonSpacing);
   gtk_box_pack_start(GTK_BOX(vbox), buttons_hbox, FALSE, FALSE, 0);
 
   if (left_side) {
@@ -494,14 +493,6 @@ GtkWidget* BrowserTitlebar::GetButtonHBox(bool left_side) {
   return buttons_hbox;
 }
 
-int BrowserTitlebar::GetButtonOuterPadding() const {
-  return kButtonOuterPadding;
-}
-
-int BrowserTitlebar::GetButtonSpacing() const {
-  return kButtonSpacing;
-}
-
 CustomDrawButton* BrowserTitlebar::CreateTitlebarButton(
     const std::string& button_name, bool left_side) {
   int normal_image_id;
@@ -707,10 +698,10 @@ void BrowserTitlebar::UpdateTitlebarAlignment() {
   GtkRequisition minimize_button_req = minimize_button_req_;
   GtkRequisition restore_button_req = restore_button_req_;
   if (using_custom_frame_ && browser_window_->IsMaximized()) {
-    close_button_req.width += GetButtonOuterPadding();
-    close_button_req.height += GetButtonOuterPadding();
-    minimize_button_req.height += GetButtonOuterPadding();
-    restore_button_req.height += GetButtonOuterPadding();
+    close_button_req.width += kButtonOuterPadding;
+    close_button_req.height += kButtonOuterPadding;
+    minimize_button_req.height += kButtonOuterPadding;
+    restore_button_req.height += kButtonOuterPadding;
     if (top_padding_left_)
       gtk_widget_hide(top_padding_left_);
     if (top_padding_right_)
@@ -915,10 +906,6 @@ gboolean BrowserTitlebar::OnScroll(GtkWidget* widget, GdkEventScroll* event) {
 }
 
 void BrowserTitlebar::OnButtonClicked(GtkWidget* button) {
-  HandleButtonClick(button);
-}
-
-void BrowserTitlebar::HandleButtonClick(GtkWidget* button) {
   if (close_button_.get() && close_button_->widget() == button) {
     browser_window_->Close();
   } else if (restore_button_.get() && restore_button_->widget() == button) {
@@ -1053,60 +1040,16 @@ bool BrowserTitlebar::IsOffTheRecord() {
   return browser_window_->browser()->profile()->IsOffTheRecord();
 }
 
-///////////////////////////////////////////////////////////////////////////////
-// BrowserTitlebar::Throbber implementation
-// TODO(tc): Handle anti-clockwise spinning when waiting for a connection.
-
-// We don't bother to clean up these or the pixbufs they contain when we exit.
-static std::vector<GdkPixbuf*>* g_throbber_frames = NULL;
-static std::vector<GdkPixbuf*>* g_throbber_waiting_frames = NULL;
-
-// Load |resource_id| from the ResourceBundle and split it into a series of
-// square GdkPixbufs that get stored in |frames|.
-static void MakeThrobberFrames(int resource_id,
-                               std::vector<GdkPixbuf*>* frames) {
-  ui::ResourceBundle &rb = ui::ResourceBundle::GetSharedInstance();
-  SkBitmap* frame_strip = rb.GetBitmapNamed(resource_id);
-
-  // Each frame of the animation is a square, so we use the height as the
-  // frame size.
-  int frame_size = frame_strip->height();
-  size_t num_frames = frame_strip->width() / frame_size;
-
-  // Make a separate GdkPixbuf for each frame of the animation.
-  for (size_t i = 0; i < num_frames; ++i) {
-    SkBitmap frame = SkBitmapOperations::CreateTiledBitmap(*frame_strip,
-        i * frame_size, 0, frame_size, frame_size);
-    frames->push_back(gfx::GdkPixbufFromSkBitmap(frame));
-  }
+GtkWidget* BrowserTitlebar::widget() const {
+  return container_;
 }
 
-GdkPixbuf* BrowserTitlebar::Throbber::GetNextFrame(bool is_waiting) {
-  Throbber::InitFrames();
-  if (is_waiting) {
-    return (*g_throbber_waiting_frames)[current_waiting_frame_++ %
-        g_throbber_waiting_frames->size()];
-  } else {
-    return (*g_throbber_frames)[current_frame_++ % g_throbber_frames->size()];
-  }
-}
-
-void BrowserTitlebar::Throbber::Reset() {
-  current_frame_ = 0;
-  current_waiting_frame_ = 0;
+void BrowserTitlebar::set_window(GtkWindow* window) {
+  window_ = window;
 }
 
-// static
-void BrowserTitlebar::Throbber::InitFrames() {
-  if (g_throbber_frames)
-    return;
-
-  // We load the light version of the throbber since it'll be in the titlebar.
-  g_throbber_frames = new std::vector<GdkPixbuf*>;
-  MakeThrobberFrames(IDR_THROBBER_LIGHT, g_throbber_frames);
-
-  g_throbber_waiting_frames = new std::vector<GdkPixbuf*>;
-  MakeThrobberFrames(IDR_THROBBER_WAITING_LIGHT, g_throbber_waiting_frames);
+AvatarMenuButtonGtk* BrowserTitlebar::avatar_button() const {
+  return avatar_button_.get();
 }
 
 BrowserTitlebar::ContextMenuModel::ContextMenuModel(