[Mac] Fix omnibox text overlap

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

Index: chrome/browser/ui/cocoa/location_bar/autocomplete_text_field_editor.mm
diff --git a/chrome/browser/ui/cocoa/location_bar/autocomplete_text_field_editor.mm b/chrome/browser/ui/cocoa/location_bar/autocomplete_text_field_editor.mm
index a8214d4425604dbd530206f7bfb07b08325878c4..0021b4012629064171bdc9f0a250cb172dc13c0b 100644
--- a/chrome/browser/ui/cocoa/location_bar/autocomplete_text_field_editor.mm
+++ b/chrome/browser/ui/cocoa/location_bar/autocomplete_text_field_editor.mm
@@ -39,6 +39,9 @@ bool gInDrag = false;
 // so this is conservative.
 const NSUInteger kMaxPasteLength = 10000;
 
+// How much the text should be offset from its left.
+const CGFloat kTextXOffset = -1.0;
+
 // Returns |YES| if too much text would be pasted.
 BOOL ThePasteboardIsTooDamnBig() {
   NSPasteboard* pb = [NSPasteboard generalPasteboard];
@@ -599,9 +602,15 @@ NSMenuItem* PasteAndGoMenuItemForObserver(
 }
 
 - (void)drawRect:(NSRect)rect {
+  gfx::ScopedNSGraphicsContextSaveGState saveGraphicsState;
   AutocompleteTextFieldObserver* observer = [self observer];
   if (observer)
     observer->OnBeforeDrawRect();
+
+  NSAffineTransform* transform = [NSAffineTransform transform];
+  [transform translateXBy:kTextXOffset yBy:0];
+  [transform concat];
+
   [super drawRect:rect];
   if (observer)
     observer->OnDidDrawRect();