[rAC, OSX] Fixed field width for suggest input.

chrome/browser/ui/cocoa/autofill/autofill_suggestion_container.mm

Index: chrome/browser/ui/cocoa/autofill/autofill_suggestion_container.mm
diff --git a/chrome/browser/ui/cocoa/autofill/autofill_suggestion_container.mm b/chrome/browser/ui/cocoa/autofill/autofill_suggestion_container.mm
index 4fcf9d39d3adf3761aeeccdee72c7f2ca91518fb..66c74afb68f025508fac4707d3e780d5757b2fb6 100644
--- a/chrome/browser/ui/cocoa/autofill/autofill_suggestion_container.mm
+++ b/chrome/browser/ui/cocoa/autofill/autofill_suggestion_container.mm
@@ -12,6 +12,7 @@
 #include "base/strings/sys_string_conversions.h"
 #include "chrome/browser/ui/autofill/autofill_dialog_view_delegate.h"
 #include "chrome/browser/ui/chrome_style.h"
+#include "chrome/browser/ui/cocoa/autofill/autofill_dialog_constants.h"
 #import "chrome/browser/ui/cocoa/autofill/autofill_textfield.h"
 #include "skia/ext/skia_utils_mac.h"
 
@@ -108,6 +109,11 @@ NSRect CenterVertically(NSRect rect1, NSRect rect2) {
   [[inputField_ cell] setIcon:icon];
   [inputField_ setHidden:NO];
   [inputField_ sizeToFit];
+
+  // Enforce fixed width.
+  NSSize frameSize = NSMakeSize(autofill::kFieldWidth,
+                                NSHeight([inputField_ frame]));
+  [inputField_ setFrameSize:frameSize];
 }
 
 - (NSSize)preferredSizeForFirstLine {