Initial change for the implementation of browser actions on the mac....

chrome/common/extensions/extension_action.cc

 // Copyright (c) 2009 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 "chrome/common/extensions/extension_action.h"
 
 #include "app/gfx/canvas.h"
 #include "app/gfx/font.h"
 #include "app/resource_bundle.h"
 #include "base/gfx/rect.h"
 #include "base/string_util.h"
 #include "chrome/app/chrome_dll_resource.h"
 #include "grit/app_resources.h"
 #include "third_party/skia/include/core/SkBitmap.h"
 #include "third_party/skia/include/core/SkTypeface.h"
 #include "third_party/skia/include/effects/SkGradientShader.h"
 
 namespace {
 
 // Different platforms need slightly different constants to look good.
 #if defined(OS_LINUX)
 const int kTextSize = 9;
 const int kBottomMargin = 0;
 const int kPadding = 2;
 const int kTopTextPadding = 0;
-const int kBadgeHeight = 11;
-const int kMaxTextWidth = 23;
-// The minimum width for center-aligning the badge.
-const int kCenterAlignThreshold = 20;
+#elif defined(OS_MACOSX)
+const int kTextSize = 9;
+const int kBottomMargin = 5;
+const int kPadding = 2;
+const int kTopTextPadding = 0;
 #else
 const int kTextSize = 8;
 const int kBottomMargin = 5;
 const int kPadding = 2;
 // The padding between the top of the badge and the top of the text.
 const int kTopTextPadding = 1;
+#endif
+
 const int kBadgeHeight = 11;
 const int kMaxTextWidth = 23;
 // The minimum width for center-aligning the badge.
 const int kCenterAlignThreshold = 20;
-#endif
 
 #if defined(OS_MACOSX)
-const char kPreferredTypeface[] = "Helvetica";
+const char kPreferredTypeface[] = "Helvetica Bold";
 #else
 const char kPreferredTypeface[] = "Arial";
 #endif
 
 SkPaint* GetTextPaint() {
   static SkPaint* text_paint = NULL;
   if (!text_paint) {
     text_paint = new SkPaint;
     text_paint->setAntiAlias(true);
 
@@ skipping 118 matching lines @@
   // text was too large.
   rect.fLeft += kPadding;
   rect.fRight -= kPadding;
   canvas->clipRect(rect);
   canvas->drawText(text.c_str(), text.size(),
                    rect.fLeft + (rect.width() - text_width) / 2,
                    rect.fTop + kTextSize + kTopTextPadding,
                    *text_paint);
   canvas->restore();
 }