Update colors on the Desktop Incognito NTP.

Bug: 850501
Cq-Include-Trybots: luci.chromium.try:closure_compilation
Change-Id: I4dc21e7ef5cc1ca6fcde18445dfe4365febcb449
Reviewed-on: https://chromium-review.googlesource.com/1135537Reviewed-by: Evan Stade <estade@chromium.org>
Commit-Queue: Martin Šrámek <msramek@chromium.org>
Cr-Commit-Position: refs/heads/master@{#575626}

chrome/browser/resources/ntp4/incognito_tab.css

@@ -13,15 +13,15 @@ body {
 .content {
   /* This is identical to the default background color. It's necessary to set it
      for the case when a theme with a background image is installed. */
-  background-color: #303030;
-  color: rgba(255, 255, 255, 0.7);
+  background-color: rgb(50, 54, 57);
+  color: rgb(189, 193, 198);
   font-size: calc(100% - 2px);
   line-height: calc(100% + 6px);
   min-width: 240px;
 }
 
 h1 {
-  color: rgba(255, 255, 255, 0.8);
+  color: rgb(218, 220, 224);
   font-size: calc(100% + 8px);
   font-weight: 400;
   line-height: calc(100% + 8px);
@@ -33,7 +33,7 @@ em {
 }
 
 .learn-more-button {
-  color: rgb(123, 170, 247);
+  color: rgb(138, 180, 248);
   text-decoration: none;
 }
 

chrome/browser/themes/theme_properties.cc

@@ -71,10 +71,8 @@ constexpr SkColor kDefaultColorNTPText = SK_ColorBLACK;
 const SkColor kDefaultColorNTPLink = SkColorSetRGB(0x06, 0x37, 0x74);
 #endif  // OS_WIN
 
-// Then new MD Incognito NTP uses a slightly different shade of black.
-// TODO(msramek): Remove the old entry when the new NTP fully launches.
 const SkColor kDefaultColorNTPBackgroundIncognito =
-    SkColorSetRGB(0x30, 0x30, 0x30);
+    SkColorSetRGB(0x32, 0x36, 0x39);
 
 const SkColor kDefaultColorNTPHeader = SkColorSetRGB(0x96, 0x96, 0x96);
 constexpr SkColor kDefaultColorButtonBackground = SK_ColorTRANSPARENT;