Finishing removal of GTMTheme. All incognito drawing is now correct, themed or not.

BUG=http://crbug.com/35554 ; http://crbug.com/18568
TEST=everything should still work, all themes should draw correctly

Review URL: http://codereview.chromium.org/661206

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@40173 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 36 insertions, 0 deletions

diff --git a/chrome/browser/browser_theme_provider_mac.mm b/chrome/browser/browser_theme_provider_mac.mm
index ad521ac..f455d70 100644
--- a/chrome/browser/browser_theme_provider_mac.mm
+++ b/chrome/browser/browser_theme_provider_mac.mm
@@ -167,6 +167,42 @@ NSGradient* BrowserThemeProvider::GetNSGradient(int id) const {
   // Note that we are not leaking when we assign a retained object to
   // |gradient|; in all cases we cache it before we return.
   switch (id) {
+    case GRADIENT_FRAME_INCOGNITO:
+    case GRADIENT_FRAME_INCOGNITO_INACTIVE: {
+      // TODO(avi): can we simplify this?
+      BOOL active = id == GRADIENT_FRAME_INCOGNITO;
+      NSColor* base_color = [NSColor colorWithCalibratedRed:83/255.0
+                                                      green:108.0/255.0
+                                                       blue:140/255.0
+                                                      alpha:1.0];
+
+      CGFloat luminance = [base_color gtm_luminance];
+
+      // Adjust luminance so it never hits black.
+      if (luminance < 0.5) {
+        CGFloat adjustment = (0.5 - luminance) / 1.5;
+        base_color = [base_color gtm_colorByAdjustingLuminance:adjustment];
+      }
+
+      NSColor *start_color =
+          [base_color gtm_colorAdjustedFor:GTMColorationBaseMidtone
+                                     faded:!active];
+      NSColor *end_color =
+          [base_color gtm_colorAdjustedFor:GTMColorationBaseShadow
+                                     faded:!active];
+
+      if (!active) {
+        start_color = [start_color gtm_colorByAdjustingLuminance:0.1
+                                                      saturation:0.5];
+        end_color = [end_color gtm_colorByAdjustingLuminance:0.1
+                                                  saturation:0.5];
+      }
+
+      gradient = [[NSGradient alloc] initWithStartingColor:start_color
+                                               endingColor:end_color];
+      break;
+    }
+
     case GRADIENT_TOOLBAR:
     case GRADIENT_TOOLBAR_INACTIVE: {
       NSColor* base_color = [NSColor colorWithCalibratedWhite:0.5 alpha:1.0];