[Mac][Material Design] Adjust (i) and lock Omnibox icons.

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

Index: chrome/browser/ui/cocoa/location_bar/bubble_decoration.mm
diff --git a/chrome/browser/ui/cocoa/location_bar/bubble_decoration.mm b/chrome/browser/ui/cocoa/location_bar/bubble_decoration.mm
index e7fe5ee08139e2a5677b96b09af5c2a037611f10..b993bf9690af31dc74c096b688f0a909a15d9b84 100644
--- a/chrome/browser/ui/cocoa/location_bar/bubble_decoration.mm
+++ b/chrome/browser/ui/cocoa/location_bar/bubble_decoration.mm
@@ -12,6 +12,7 @@
 #include "skia/ext/skia_utils_mac.h"
 #import "ui/base/cocoa/nsview_additions.h"
 #include "ui/base/material_design/material_design_controller.h"
+#include "ui/gfx/scoped_ns_graphics_context_save_gstate_mac.h"
 
 namespace {
 
@@ -132,8 +133,15 @@ void BubbleDecoration::DrawInFrame(NSRect frame, NSView* control_view) {
   if (label_) {
     NSRect textRect = frame;
     textRect.origin.x = textOffset;
-    textRect.origin.y += baseline_offset_;
     textRect.size.width = NSMaxX(decoration_frame) - NSMinX(textRect);
+    // Transform the coordinate system to adjust the baseline. This is the only
+    // way to get fractional adjustments.
+    gfx::ScopedNSGraphicsContextSaveGState saveGraphicsState;
+    if (baseline_offset_) {

[tapted, 2016/06/22 05:40:38]

Nothing currently calls SetBaselineOffset -- you could probably rename it to
"SetRetinaBaselineOffset, and check [[[control_view] window] backingScaleFactor]
 (see later comment for context)

[shrike, 2016/06/22 21:44:50]

Acknowledged.

+      NSAffineTransform* transform = [NSAffineTransform transform];
+      [transform translateXBy:0 yBy:baseline_offset_];
+      [transform concat];
+    }
     DrawLabel(label_, attributes_, textRect);
   }
 }