Turn pageAction.show -> browserAction.sensibleThing.

chrome/browser/ui/cocoa/extensions/browser_action_button.mm

Index: chrome/browser/ui/cocoa/extensions/browser_action_button.mm
diff --git a/chrome/browser/ui/cocoa/extensions/browser_action_button.mm b/chrome/browser/ui/cocoa/extensions/browser_action_button.mm
index 30ced534ba35f2575894949fecc8ab892790f078..728d0187e780b9de156fe034dab03f07d5eb13e2 100644
--- a/chrome/browser/ui/cocoa/extensions/browser_action_button.mm
+++ b/chrome/browser/ui/cocoa/extensions/browser_action_button.mm
@@ -173,7 +173,8 @@ class ExtensionImageTrackerBridge : public content::NotificationObserver,
 }
 
 - (void)mouseDown:(NSEvent*)theEvent {
-  [[self cell] setHighlighted:YES];
+  if ([self isEnabled])
+    [[self cell] setHighlighted:YES];
   dragCouldStart_ = YES;
 }
 
@@ -256,14 +257,19 @@ class ExtensionImageTrackerBridge : public content::NotificationObserver,
   if (tabId_ < 0)
     return;
 
-  std::string tooltip = extension_->browser_action()->GetTitle(tabId_);
+  ExtensionAction* browser_action = extension_->browser_action();
+  CHECK(browser_action);
+
+  [self setEnabled:browser_action->GetIsVisible(tabId_)];
+
+  std::string tooltip = browser_action->GetTitle(tabId_);
   if (tooltip.empty()) {
     [self setToolTip:nil];
   } else {
     [self setToolTip:base::SysUTF8ToNSString(tooltip)];
   }
 
-  SkBitmap image = extension_->browser_action()->GetIcon(tabId_);
+  SkBitmap image = browser_action->GetIcon(tabId_);
   if (!image.isNull()) {
     [self setTabSpecificIcon:gfx::SkBitmapToNSImage(image)];
     [self setImage:tabSpecificIcon_];