Couple of tweaks for tables:

ui/views/controls/table/table_header.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 "ui/views/controls/table/table_header.h"
 
 #include "ui/gfx/canvas.h"
 #include "ui/views/controls/table/table_utils.h"
 #include "ui/views/controls/table/table_view.h"
 
 #if defined(USE_AURA)
 #include "ui/base/cursor/cursor.h"
 #endif
 
 namespace views {
 
 namespace {
 
 const int kVerticalPadding = 6;
-const int kHorizontalPadding = 4;
 
 // The minimum width we allow a column to go down to.
 const int kMinColumnWidth = 10;
 
 // Distace from edge columns can be resized by.
 const int kResizePadding = 5;
 
 const SkColor kTextColor = SK_ColorBLACK;
 
 gfx::NativeCursor GetResizeCursor() {
 #if defined(USE_AURA)
   return ui::kCursorColumnResize;
 #elif defined(OS_WIN)
   static HCURSOR g_hand_cursor = LoadCursor(NULL, IDC_SIZEWE);
   return g_hand_cursor;
 #endif
 }
 
 }  // namespace
 
+// static
+const int TableHeader::kHorizontalPadding = 4;
+
 typedef std::vector<TableView::VisibleColumn> Columns;
 
 TableHeader::TableHeader(TableView* table) : table_(table) {
 }
 
 TableHeader::~TableHeader() {
 }
 
 void TableHeader::Layout() {
   SetBounds(x(), y(), table_->width(), GetPreferredSize().height());
@@ skipping 32 matching lines @@
   if (event.IsOnlyLeftMouseButton()) {
     const int index = GetResizeColumn(event.x());
     if (index != -1) {
       DCHECK(!is_resizing());
       resize_details_.reset(new ColumnResizeDetails);
       resize_details_->column_index = index;
       resize_details_->initial_x = event.x();
       resize_details_->initial_width =
           table_->visible_columns()[index].width;
     }
+    return true;
   }
-  return true;
+  // Return false so that context menus on ancestors work.
+  return false;
 }
 
 bool TableHeader::OnMouseDragged(const ui::MouseEvent& event) {
   if (is_resizing()) {
     const int delta = event.x() - resize_details_->initial_x;
     table_->SetVisibleColumnWidth(
         resize_details_->column_index,
         std::max(kMinColumnWidth, resize_details_->initial_width + delta));
   }
   return true;
@@ skipping 40 matching lines @@
   if (index > 0 && x >= column.x - kResizePadding &&
       x <= column.x + kResizePadding) {
     return index - 1;
   }
   const int max_x = column.x + column.width;
   return (x >= max_x - kResizePadding && x <= max_x + kResizePadding) ?
       index : -1;
 }
 
 }  // namespace views