Move CrTrackingArea from chrome/browser/ui/cocoa to ui/base/cocoa.

ui/base/cocoa/tracking_area_unittest.mm

Index: ui/base/cocoa/tracking_area_unittest.mm
diff --git a/chrome/browser/ui/cocoa/tracking_area_unittest.mm b/ui/base/cocoa/tracking_area_unittest.mm
similarity index 91%
rename from chrome/browser/ui/cocoa/tracking_area_unittest.mm
rename to ui/base/cocoa/tracking_area_unittest.mm
index 27e572d4c996417f806dcbff53a289cf58c86ea3..50927c8bc99366dac46c33c311a8c1ab1ac64397 100644
--- a/chrome/browser/ui/cocoa/tracking_area_unittest.mm
+++ b/ui/base/cocoa/tracking_area_unittest.mm
@@ -3,8 +3,8 @@
 // found in the LICENSE file.
 
 #include "base/memory/scoped_nsobject.h"
-#include "chrome/browser/ui/cocoa/cocoa_test_helper.h"
-#import "chrome/browser/ui/cocoa/tracking_area.h"
+#import "ui/base/cocoa/tracking_area.h"
+#import "ui/base/test/ui_cocoa_test_helper.h"
 
 // A test object that counts the number of times a message is sent to it.
 @interface TestTrackingAreaOwner : NSObject {
@@ -22,7 +22,7 @@
 }
 @end
 
-class CrTrackingAreaTest : public CocoaTest {
+class CrTrackingAreaTest : public ui::CocoaTest {

[Nico, 2013/03/11 17:42:45]

nit: Aren't tests usually in the same namespace as the class they're testing?

[tapted, 2013/03/11 22:40:22]

Good point. Done.

  public:
   CrTrackingAreaTest()
       : owner_([[TestTrackingAreaOwner alloc] init]),
@@ -70,7 +70,7 @@ TEST_F(CrTrackingAreaTest, OwnerAutomaticallyStopsForwardingOnClose) {
 
 TEST_F(CrTrackingAreaTest, ScoperInit) {
   {
-    ScopedCrTrackingArea scoper([trackingArea_ retain]);
+    ui::ScopedCrTrackingArea scoper([trackingArea_ retain]);
     [[scoper.get() owner] performMessage];
     EXPECT_EQ(1U, [owner_ messageCount]);
   }
@@ -81,7 +81,7 @@ TEST_F(CrTrackingAreaTest, ScoperInit) {
 
 TEST_F(CrTrackingAreaTest, ScoperReset) {
   {
-    ScopedCrTrackingArea scoper;
+    ui::ScopedCrTrackingArea scoper;
     EXPECT_FALSE(scoper.get());
 
     scoper.reset([trackingArea_ retain]);