Updates to clean up default theme and add hover states

chrome/browser/cocoa/status_bubble_mac.mm

Index: chrome/browser/cocoa/status_bubble_mac.mm
===================================================================
--- chrome/browser/cocoa/status_bubble_mac.mm	(revision 24798)
+++ chrome/browser/cocoa/status_bubble_mac.mm	(working copy)
@@ -9,6 +9,8 @@
 #include "base/sys_string_conversions.h"
 #include "googleurl/src/gurl.h"
 #import "third_party/GTM/AppKit/GTMNSBezierPath+RoundRect.h"
+#import "third_party/GTM/AppKit/GTMNSColor+Luminance.h"
+#import "third_party/GTM/AppKit/GTMTheme.h"
 
 namespace {
 
@@ -49,10 +51,12 @@
  @private
   NSString* content_;
   BubbleStyle style_;
+  NSWindow* parent_;
 }
 
 - (void)setContent:(NSString*)content;
 - (void)setStyle:(BubbleStyle)style;
+- (void)setParent:(NSWindow*)parent;
 - (NSFont*)font;
 @end
 
@@ -220,6 +224,8 @@
 
   StatusBubbleViewCocoa* view =
       [[[StatusBubbleViewCocoa alloc] initWithFrame:NSZeroRect] autorelease];
+  [view setParent:parent_];
+
   [window_ setContentView:view];
 
   [parent_ addChildWindow:window_ ordered:NSWindowAbove];
@@ -248,6 +254,7 @@
 @implementation StatusBubbleViewCocoa
 
 - (void)dealloc {
+  [parent_ release];
   [content_ release];
   [super dealloc];
 }
@@ -263,6 +270,16 @@
   [self setNeedsDisplay:YES];
 }
 
+- (void)setParent:(NSWindow*)parent {
+  [parent_ autorelease];
+  parent_ = [parent retain];
+  [self setNeedsDisplay:YES];
+}
+
+- (GTMTheme*)gtm_theme {
+  return [parent_ gtm_theme];
+}
+
 - (NSFont*)font {
   return [NSFont systemFontOfSize:[NSFont smallSystemFontSize]];
 }
@@ -300,13 +317,24 @@
   // Background / Edge
 
   NSRect bounds = [self bounds];
+  bounds = NSInsetRect(bounds, 0.5, 0.5);
   NSBezierPath *border = [NSBezierPath gtm_bezierPathWithRoundRect:bounds
                                                topLeftCornerRadius:tl_radius
                                               topRightCornerRadius:tr_radius
                                             bottomLeftCornerRadius:bl_radius
                                            bottomRightCornerRadius:br_radius];
 
-  [[NSColor colorWithDeviceWhite:kWindowFill alpha:1.0f] set];
+  NSColor* color =
+      [[self gtm_theme] backgroundColorForStyle:GTMThemeStyleToolBar
+                                          state:GTMThemeStateActiveWindow];
+
+  // workaround for default theme
+  // TODO(alcor) next GTM update return nil for background color if not set;
+  if ([color isEqual:[NSColor colorWithCalibratedWhite:0.5 alpha:1.0]])
+    color = nil;
+  if (!color)
+    color = [NSColor colorWithCalibratedWhite:0.9 alpha:1.0];
+  [color set];
   [border fill];
 
   border = [NSBezierPath gtm_bezierPathWithRoundRect:bounds
@@ -319,11 +347,11 @@
   [border stroke];
 
   // Text
-
+  NSColor* textColor = [color gtm_legibleTextColor];
   NSFont* textFont = [self font];
   NSShadow* textShadow = [[[NSShadow alloc] init] autorelease];
-  [textShadow setShadowBlurRadius:1.5f];
-  [textShadow setShadowColor:[NSColor whiteColor]];
+  [textShadow setShadowBlurRadius:0.0f];
+  [textShadow setShadowColor:[textColor gtm_legibleTextColor]];
   [textShadow setShadowOffset:NSMakeSize(0.0f, -1.0f)];
 
   NSDictionary* textDict = [NSDictionary dictionaryWithObjectsAndKeys: