ash: A number of ui/ux changes from feedback/to better match the mocks.

ash/system/network/tray_network.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "ash/system/network/tray_network.h"
 
 #include "ash/shell.h"
 #include "ash/system/tray/system_tray.h"
 #include "ash/system/tray/system_tray_delegate.h"
 #include "base/utf_string_conversions.h"
@@ skipping 96 matching lines @@
   }
 
   ViewClickListener* listener_;
 
   DISALLOW_COPY_AND_ASSIGN(HoverHighlightView);
 };
 
 // A custom scroll-view that has a specified dimension.
 class FixedSizedScrollView : public views::ScrollView {
  public:
-  FixedSizedScrollView() {}
+  FixedSizedScrollView() {
+    set_focusable(true);
+    set_notify_enter_exit_on_child(true);
+  }
+
   virtual ~FixedSizedScrollView() {}
 
   void SetContentsView(View* view) {
     SetContents(view);
     view->SetBoundsRect(gfx::Rect(view->GetPreferredSize()));
   }
 
   void set_fixed_size(gfx::Size size) { fixed_size_ = size; }
 
  private:
   // Overridden from views::View.
   virtual gfx::Size GetPreferredSize() OVERRIDE {
     return fixed_size_;
   }
 
+  virtual void OnBoundsChanged(const gfx::Rect& previous_bounds) OVERRIDE {
+    views::View* contents = GetContents();
+    gfx::Rect bounds = contents->bounds();
+    bounds.set_width(width() - GetScrollBarWidth());
+    contents->SetBoundsRect(bounds);
+  }
+
+  virtual void OnMouseEntered(const views::MouseEvent& event) OVERRIDE {
+    RequestFocus();
+  }
+
+  virtual void OnPaintFocusBorder(gfx::Canvas* canvas) OVERRIDE {
+    // Do not paint the focus border.
+  }
+
   gfx::Size fixed_size_;
 
   DISALLOW_COPY_AND_ASSIGN(FixedSizedScrollView);
 };
 
 }
 
 namespace ash {
 namespace internal {
 
@@ skipping 239 matching lines @@
   if (tray_.get())
     tray_->Update(info);
   if (default_.get())
     default_->Update(info);
   if (detailed_.get())
     detailed_->Update();
 }
 
 }  // namespace internal
 }  // namespace ash