[md] Updates aura tooltip colors and padding to MD

ui/native_theme/common_theme.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/native_theme/common_theme.h"
 
 #include "base/logging.h"
 #include "base/memory/ptr_util.h"
 #include "third_party/skia/include/core/SkCanvas.h"
 #include "ui/base/material_design/material_design_controller.h"
@@ skipping 19 matching lines @@
     // MenuItem:
     static const SkColor kMenuHighlightBackgroundColorMd =
         SkColorSetARGB(0x14, 0x00, 0x00, 0x00);
     static const SkColor kSelectedMenuItemForegroundColorMd = SK_ColorBLACK;
     // Link:
     static const SkColor kLinkEnabledColorMd = gfx::kGoogleBlue700;
     // Results tables:
     static const SkColor kResultsTableTextMd = SK_ColorBLACK;
     static const SkColor kResultsTableDimmedTextMd =
         SkColorSetRGB(0x64, 0x64, 0x64);
+    // Tooltip
+    static const SkColor kTooltipBackgroundMd =
+        SkColorSetA(SK_ColorBLACK, 0xCC);
+    static const SkColor kTooltipTextColorMd = SkColorSetA(SK_ColorWHITE, 0xDE);
 
     switch (color_id) {
       // Dialogs
       case NativeTheme::kColorId_DialogBackground:
       case NativeTheme::kColorId_BubbleBackground:
         return kDialogBackgroundColorMd;
 
       // Buttons
       case NativeTheme::kColorId_ButtonEnabledColor:
       case NativeTheme::kColorId_ButtonHoverColor:
@@ skipping 31 matching lines @@
         return kResultsTableTextMd;
       case NativeTheme::kColorId_ResultsTableNormalDimmedText:
       case NativeTheme::kColorId_ResultsTableHoveredDimmedText:
       case NativeTheme::kColorId_ResultsTableSelectedDimmedText:
         return kResultsTableDimmedTextMd;
       case NativeTheme::kColorId_ResultsTableNormalUrl:
       case NativeTheme::kColorId_ResultsTableHoveredUrl:
       case NativeTheme::kColorId_ResultsTableSelectedUrl:
         return base_theme->GetSystemColor(NativeTheme::kColorId_LinkEnabled);
 
+      // Tooltip
+      case NativeTheme::kColorId_TooltipBackground:
+        return kTooltipBackgroundMd;
+      case NativeTheme::kColorId_TooltipText:
+        return kTooltipTextColorMd;
+
       default:
         break;
     }
   }
 
   // Pre-MD colors.
   // Windows:
   static const SkColor kWindowBackgroundColor = SK_ColorWHITE;
   // Dialogs:
   static const SkColor kDialogBackgroundColor = SkColorSetRGB(251, 251, 251);
@@ skipping 320 matching lines @@
   }
   if (menu_item.corner_radius > 0) {
     const SkScalar radius = SkIntToScalar(menu_item.corner_radius);
     canvas->drawRoundRect(gfx::RectToSkRect(rect), radius, radius, paint);
     return;
   }
   canvas->drawRect(gfx::RectToSkRect(rect), paint);
 }
 
 }  // namespace ui