Updates to clean up default theme and add hover states

chrome/browser/cocoa/tab_controller.mm

Index: chrome/browser/cocoa/tab_controller.mm
===================================================================
--- chrome/browser/cocoa/tab_controller.mm	(revision 24798)
+++ chrome/browser/cocoa/tab_controller.mm	(working copy)
@@ -7,6 +7,7 @@
 #import "chrome/browser/cocoa/tab_controller.h"
 #import "chrome/browser/cocoa/tab_controller_target.h"
 #import "chrome/browser/cocoa/tab_view.h"
+#import "third_party/GTM/AppKit/GTMTheme.h"
 
 @interface TabController(Private)
 - (void)updateVisibility;
@@ -53,7 +54,7 @@
   selected_ = selected;
   [(TabView *)[self view] setState:selected];
   [self updateVisibility];
-  [[self view] setNeedsDisplay:YES];
+  [self applyTheme];
 }
 
 // Called when the tab's nib is done loading and all outlets are hooked up.
@@ -61,9 +62,6 @@
   // Ensure we don't show favicon if the tab is already too small to begin with.
   [self updateVisibility];
   [(id)iconView_ setImage:nsimage_cache::ImageNamed(@"nav.pdf")];
-  [[self view] addSubview:backgroundButton_
-               positioned:NSWindowBelow
-               relativeTo:nil];
   [self internalSetSelected:selected_];
 }
 
@@ -91,7 +89,7 @@
 }
 
 - (void)setTitle:(NSString *)title {
-  [backgroundButton_ setToolTip:title];
+  [[self view] setToolTip:title];
   [super setTitle:title];
 }
 
@@ -119,7 +117,7 @@
 }
 
 - (NSString *)toolTip {
-  return [backgroundButton_ toolTip];
+  return [[self view] toolTip];
 }
 
 // Return a rough approximation of the number of icons we could fit in the
@@ -168,4 +166,20 @@
   [self updateVisibility];
 }
 
+- (void)applyTheme {
+  GTMTheme* theme = [[self view] gtm_theme];
+  NSColor* color = nil;
+  if (!selected_) {
+    color = [theme textColorForStyle:GTMThemeStyleTabBarDeselected
+                               state:GTMThemeStateActiveWindow];
+  }
+  // Default to the selected text color unless told otherwise.
+  if (!color) {
+    color = [theme textColorForStyle:GTMThemeStyleToolBar
+                               state:GTMThemeStateActiveWindow];
+  }
+
+  [titleView_ setTextColor:color ? color : [NSColor textColor]];
+  [[self view] setNeedsDisplay:YES];
+}
 @end