Add theme color for Blimp on Android.

chrome/android/java/src/org/chromium/chrome/browser/tab/Tab.java

Index: chrome/android/java/src/org/chromium/chrome/browser/tab/Tab.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/tab/Tab.java b/chrome/android/java/src/org/chromium/chrome/browser/tab/Tab.java
index aed2a38813d9f765ca133e032e47b8cbbf41da4e..a7d168b9483676312c38988e0dfef69e7c98a56e 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/tab/Tab.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/tab/Tab.java
@@ -1114,6 +1114,11 @@ public class Tab implements ViewGroup.OnHierarchyChangeListener,
             if (themeColor != 0 && !ColorUtils.isValidThemeColor(themeColor)) themeColor = 0;
         }
 
+        // Apply theme color for Blimp tab.
+        if (isBlimpTab() && getBlimpContents() != null) {
+            themeColor = getBlimpContents().getThemeColor();

[David Trainor- moved to gerrit, 2016/09/07 05:08:52]

What does isValidThemeColor do?  Do we need that?

[nyquist, 2016/09/07 15:11:04]

Turns out it checks the HSL lightness value to be < 0.94. I don't think it'd be
necessary right now, but if we add it now, we don't have to remember it later
when we add support for real theme colors.

[xingliu, 2016/09/07 17:23:36]

Added isValidThemeColor check.

+        }
+
         // Do not apply the theme color if there are any security issues on the page.
         int securityLevel = getSecurityLevel();
         if (securityLevel == ConnectionSecurityLevel.SECURITY_ERROR