[Mac]Implement ViewID support.

chrome/browser/cocoa/reload_button_unittest.mm

Index: chrome/browser/cocoa/reload_button_unittest.mm
diff --git a/chrome/browser/cocoa/reload_button_unittest.mm b/chrome/browser/cocoa/reload_button_unittest.mm
index 64deb9694072b296e51ab86dfbe16d5b2356c99d..312be680bc5fc08b7af7d451e0ce1310e7128e08 100644
--- a/chrome/browser/cocoa/reload_button_unittest.mm
+++ b/chrome/browser/cocoa/reload_button_unittest.mm
@@ -29,7 +29,7 @@ class ReloadButtonTest : public CocoaTest {
     button_ = button.get();
 
     // Set things up so unit tests have a reliable baseline.
-    [button_ setTag:IDC_RELOAD];
+    [button_ setCommand:IDC_RELOAD];
     [button_ awakeFromNib];
 
     [[test_window() contentView] addSubview:button_];
@@ -76,70 +76,70 @@ TEST_F(ReloadButtonTest, IgnoredMultiClick) {
 // regardless of whether the mouse is hovering.
 TEST_F(ReloadButtonTest, SetIsLoadingForce) {
   EXPECT_FALSE([button_ isMouseInside]);
-  EXPECT_EQ([button_ tag], IDC_RELOAD);
+  EXPECT_EQ([button_ command], IDC_RELOAD);
 
   // Changes to stop immediately.
   [button_ setIsLoading:YES force:YES];
-  EXPECT_EQ([button_ tag], IDC_STOP);
+  EXPECT_EQ([button_ command], IDC_STOP);
 
   // Changes to reload immediately.
   [button_ setIsLoading:NO force:YES];
-  EXPECT_EQ([button_ tag], IDC_RELOAD);
+  EXPECT_EQ([button_ command], IDC_RELOAD);
 
   // Changes to stop immediately when the mouse is hovered, and
   // doesn't change when the mouse exits.
   [button_ mouseEntered:nil];
   EXPECT_TRUE([button_ isMouseInside]);
   [button_ setIsLoading:YES force:YES];
-  EXPECT_EQ([button_ tag], IDC_STOP);
+  EXPECT_EQ([button_ command], IDC_STOP);
   [button_ mouseExited:nil];
   EXPECT_FALSE([button_ isMouseInside]);
-  EXPECT_EQ([button_ tag], IDC_STOP);
+  EXPECT_EQ([button_ command], IDC_STOP);
 
   // Changes to reload immediately when the mouse is hovered, and
   // doesn't change when the mouse exits.
   [button_ mouseEntered:nil];
   EXPECT_TRUE([button_ isMouseInside]);
   [button_ setIsLoading:NO force:YES];
-  EXPECT_EQ([button_ tag], IDC_RELOAD);
+  EXPECT_EQ([button_ command], IDC_RELOAD);
   [button_ mouseExited:nil];
   EXPECT_FALSE([button_ isMouseInside]);
-  EXPECT_EQ([button_ tag], IDC_RELOAD);
+  EXPECT_EQ([button_ command], IDC_RELOAD);
 }
 
 // Test that without force, stop mode is set immediately, but reload
 // is affected by the hover status.
 TEST_F(ReloadButtonTest, SetIsLoadingNoForce) {
   EXPECT_FALSE([button_ isMouseInside]);
-  EXPECT_EQ([button_ tag], IDC_RELOAD);
+  EXPECT_EQ([button_ command], IDC_RELOAD);
 
   // Changes to stop immediately when the mouse is not hovering.
   [button_ setIsLoading:YES force:NO];
-  EXPECT_EQ([button_ tag], IDC_STOP);
+  EXPECT_EQ([button_ command], IDC_STOP);
 
   // Changes to reload immediately when the mouse is not hovering.
   [button_ setIsLoading:NO force:NO];
-  EXPECT_EQ([button_ tag], IDC_RELOAD);
+  EXPECT_EQ([button_ command], IDC_RELOAD);
 
   // Changes to stop immediately when the mouse is hovered, and
   // doesn't change when the mouse exits.
   [button_ mouseEntered:nil];
   EXPECT_TRUE([button_ isMouseInside]);
   [button_ setIsLoading:YES force:NO];
-  EXPECT_EQ([button_ tag], IDC_STOP);
+  EXPECT_EQ([button_ command], IDC_STOP);
   [button_ mouseExited:nil];
   EXPECT_FALSE([button_ isMouseInside]);
-  EXPECT_EQ([button_ tag], IDC_STOP);
+  EXPECT_EQ([button_ command], IDC_STOP);
 
   // Does not change to reload immediately when the mouse is hovered,
   // changes when the mouse exits.
   [button_ mouseEntered:nil];
   EXPECT_TRUE([button_ isMouseInside]);
   [button_ setIsLoading:NO force:NO];
-  EXPECT_EQ([button_ tag], IDC_STOP);
+  EXPECT_EQ([button_ command], IDC_STOP);
   [button_ mouseExited:nil];
   EXPECT_FALSE([button_ isMouseInside]);
-  EXPECT_EQ([button_ tag], IDC_RELOAD);
+  EXPECT_EQ([button_ command], IDC_RELOAD);
 }
 
 // Test that pressing stop after reload mode has been requested
@@ -153,7 +153,7 @@ TEST_F(ReloadButtonTest, StopAfterReloadSet) {
 
   // Get to stop mode.
   [button_ setIsLoading:YES force:YES];
-  EXPECT_EQ([button_ tag], IDC_STOP);
+  EXPECT_EQ([button_ command], IDC_STOP);
 
   // Expect the action once.
   [[mock_target expect] anAction:button_];
@@ -164,11 +164,11 @@ TEST_F(ReloadButtonTest, StopAfterReloadSet) {
       test_event_utils::MouseClickInView(button_, 1);
   [NSApp postEvent:click.second atStart:YES];
   [button_ mouseDown:click.first];
-  EXPECT_EQ([button_ tag], IDC_RELOAD);
+  EXPECT_EQ([button_ command], IDC_RELOAD);
 
   // Get back to stop mode.
   [button_ setIsLoading:YES force:YES];
-  EXPECT_EQ([button_ tag], IDC_STOP);
+  EXPECT_EQ([button_ command], IDC_STOP);
 
   // If hover prevented reload mode immediately taking effect, clicks
   // should not send any action, but should still transition to reload
@@ -176,10 +176,10 @@ TEST_F(ReloadButtonTest, StopAfterReloadSet) {
   [button_ mouseEntered:nil];
   EXPECT_TRUE([button_ isMouseInside]);
   [button_ setIsLoading:NO force:NO];
-  EXPECT_EQ([button_ tag], IDC_STOP);
+  EXPECT_EQ([button_ command], IDC_STOP);
   [NSApp postEvent:click.second atStart:YES];
   [button_ mouseDown:click.first];
-  EXPECT_EQ([button_ tag], IDC_RELOAD);
+  EXPECT_EQ([button_ command], IDC_RELOAD);
 
   [button_ setTarget:nil];
 }