[Dark] Update text highlight color on dark mode

Bug: 951227
Change-Id: I388b1ce8955363a2499ac478a7f8978027f690ef
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1572978Reviewed-by: Theresa <twellington@chromium.org>
Commit-Queue: Becky Zhou <huayinz@chromium.org>
Cr-Commit-Position: refs/heads/master@{#652188}

chrome/android/java/res/values/colors.xml

@@ -10,7 +10,7 @@
     <color name="default_primary_color">#F2F2F2</color>
     <color name="input_underline_error_color">#D32F2F</color>
     <color name="explanation_text_color">#909090</color>
-    <color name="text_highlight_color">#C6DAFC</color>
+    <color name="text_highlight_color">@color/highlight_color_on_dark_text</color>
 
     <!-- Control colors for toggles, checkboxes, ratio buttons, list item highlight, and accent.
          Note that these should NOT be used for icon tint. -->
@@ -141,7 +141,6 @@
     <!-- LocationBar colors -->
     <color name="locationbar_dark_hint_text">@color/search_box_hint</color>
     <color name="locationbar_light_hint_text">@color/white_alpha_70</color>
-    <color name="locationbar_light_selection_color">#CC5595FE</color>
     <color name="locationbar_status_offline_color">@color/modern_grey_900</color>
     <color name="locationbar_status_offline_color_light">@android:color/white</color>
     <color name="locationbar_status_preview_color">@color/modern_blue_600</color>

chrome/android/java/res_night/values-night/colors.xml

@@ -6,6 +6,7 @@
 <resources>
     <color name="light_active_color">@color/modern_blue_300</color>
     <color name="control_normal_color">@color/modern_grey_500</color>
+    <color name="text_highlight_color">@color/highlight_color_on_light_text</color>
 
     <color name="toolbar_text_box_background">@color/modern_grey_800</color>
 

chrome/android/java/src/org/chromium/chrome/browser/omnibox/UrlBarViewBinder.java

@@ -100,7 +100,7 @@ class UrlBarViewBinder {
             hintColor =
                     ApiCompatibilityUtils.getColor(resources, R.color.locationbar_light_hint_text);
             highlightColor = ApiCompatibilityUtils.getColor(
-                    resources, R.color.locationbar_light_selection_color);
+                    resources, R.color.highlight_color_on_light_text);
         }
 
         view.setTextColor(textColor);

ui/android/java/res/values/color_palette.xml

@@ -59,6 +59,11 @@
     <color name="default_text_color_light">@android:color/white</color>
     <color name="default_text_color_dark_secondary">@color/modern_grey_700</color>
 
+    <!-- TODO(https://crbug.com/953917): Update the highlight colors to meet accessibility
+         contrast ratio. -->
+    <color name="highlight_color_on_light_text" tools:ignore="UnusedResources">#CC5595FE</color>
+    <color name="highlight_color_on_dark_text" tools:ignore="UnusedResources">#C6DAFC</color>
+
     <color name="default_red_light" tools:ignore="UnusedResources">@color/google_red_300</color>
     <color name="default_red_dark" tools:ignore="UnusedResources">@color/google_red_600</color>