Fix many memory leaks in chrome/browser/ui/cocoa/omnibox.

chrome/browser/ui/cocoa/omnibox/omnibox_popup_cell.mm

Index: chrome/browser/ui/cocoa/omnibox/omnibox_popup_cell.mm
diff --git a/chrome/browser/ui/cocoa/omnibox/omnibox_popup_cell.mm b/chrome/browser/ui/cocoa/omnibox/omnibox_popup_cell.mm
index 4d7bbcc7170325491929fd05950320949c5e943e..0d224d644de8955361cd0163bc277419b38ef02e 100644
--- a/chrome/browser/ui/cocoa/omnibox/omnibox_popup_cell.mm
+++ b/chrome/browser/ui/cocoa/omnibox/omnibox_popup_cell.mm
@@ -11,6 +11,7 @@
 
 #include "base/i18n/rtl.h"
 #include "base/mac/foundation_util.h"
+#include "base/mac/objc_property_releaser.h"
 #include "base/mac/scoped_nsobject.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/string_util.h"
@@ -395,6 +396,12 @@ NSAttributedString* CreateClassifiedAttributedString(
 
 }  // namespace
 
+@interface OmniboxPopupCellData () {
+ @private

[Robert Sesek, 2016/08/11 19:05:35]

@private not necessary here, but harmless

[erikchen, 2016/08/11 19:17:12]

Done.

+  base::mac::ObjCPropertyReleaser propertyReleaser_OmniboxPopupCellData_;
+}
+@end
+
 @interface OmniboxPopupCell ()
 - (CGFloat)drawMatchPart:(NSAttributedString*)attributedString
                withFrame:(NSRect)cellFrame
@@ -465,15 +472,12 @@ NSAttributedString* CreateClassifiedAttributedString(
       }
       maxLines_ = 1;
     }
+    propertyReleaser_OmniboxPopupCellData_.Init(self,
+                                                [OmniboxPopupCellData class]);
   }
   return self;
 }
 
-- (void)dealloc {
-  [incognitoImage_ release];
-  [super dealloc];
-}
-
 - (instancetype)copyWithZone:(NSZone*)zone {
   return [self retain];
 }