[Mac][Material Design] Adjust EV chip to match Material Design spec.

chrome/browser/ui/cocoa/location_bar/bubble_decoration.mm

 // Copyright (c) 2010 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 <cmath>
 
 #import "chrome/browser/ui/cocoa/location_bar/bubble_decoration.h"
 
 #include "base/logging.h"
 #include "base/mac/foundation_util.h"
@@ skipping 13 matching lines @@
 
 
 // Padding between the icon and label.
 const CGFloat kIconLabelPadding = 4.0;
 
 // Inset for the background.
 const CGFloat kBackgroundYInset = 4.0;
 
 }  // namespace
 
-BubbleDecoration::BubbleDecoration() {
+BubbleDecoration::BubbleDecoration()
+    : baseline_offset_(0) {

[tapted, 2016/04/22 00:41:52]

nit: put on the line above? - pretty sure that's what `git cl format` would
choose

[shrike, 2016/04/26 18:03:40]

Done.

   attributes_.reset([[NSMutableDictionary alloc] init]);
   [attributes_ setObject:GetFont() forKey:NSFontAttributeName];
 }
 
 BubbleDecoration::~BubbleDecoration() {
 }
 
 CGFloat BubbleDecoration::GetWidthForImageAndLabel(NSImage* image,
                                                    NSString* label) {
   if (!image && !label)
@@ skipping 50 matching lines @@
              operation:NSCompositeSourceOver
               fraction:1.0
         respectFlipped:YES
                  hints:nil];
     textOffset = NSMaxX(imageRect) + kIconLabelPadding;
   }
 
   if (label_) {
     NSRect textRect = frame;
     textRect.origin.x = textOffset;
+    textRect.origin.y += baseline_offset_;
     textRect.size.width = NSMaxX(decoration_frame) - NSMinX(textRect);
     DrawLabel(label_, attributes_, textRect);
   }
 }
 
 void BubbleDecoration::DrawWithBackgroundInFrame(NSRect background_frame,
                                                  NSRect frame,
                                                  NSView* control_view) {
   NSRect rect = NSInsetRect(background_frame, 0, 1);
   rect.size.width -= kRightSideMargin;
@@ skipping 32 matching lines @@
   // If the initializer was called with |nil|, then the code cannot
   // process a label.
   DCHECK(attributes_);
   if (attributes_)
     label_.reset([label copy]);
 }
 
 void BubbleDecoration::SetTextColor(NSColor* text_color) {
   [attributes_ setObject:text_color forKey:NSForegroundColorAttributeName];
 }
+
+void BubbleDecoration::SetFont(NSFont* font) {
+  [attributes_ setObject:font forKey:NSFontAttributeName];
+}
+
+void BubbleDecoration::SetBaselineOffset(CGFloat offset) {
+  baseline_offset_ = offset;
+}