Add Browser Actions tab model selector and open a tab through it if ChromeTabbedActivity is not ava…

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 5d6494848b3e4182ba86571a3344df92ff1f2fc1..cd6a933ded94bf65cbe791d928bd4653929eeafc 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
@@ -491,12 +491,18 @@ public class Tab
         mWindowAndroid = window;
         mLaunchType = type;
         if (mLaunchType == TabLaunchType.FROM_DETACHED) mIsDetached = true;
-        Resources resources = mThemedApplicationContext.getResources();
-        mIdealFaviconSize = resources.getDimensionPixelSize(R.dimen.default_favicon_size);
-        mDefaultThemeColor = mIncognito
-                ? ApiCompatibilityUtils.getColor(resources, R.color.incognito_primary_color)
-                : ApiCompatibilityUtils.getColor(resources, R.color.default_primary_color);
-        mThemeColor = calculateThemeColor(false);
+        if (mThemedApplicationContext != null) {
+            Resources resources = mThemedApplicationContext.getResources();
+            mIdealFaviconSize = resources.getDimensionPixelSize(R.dimen.default_favicon_size);
+            mDefaultThemeColor = mIncognito
+                    ? ApiCompatibilityUtils.getColor(resources, R.color.incognito_primary_color)
+                    : ApiCompatibilityUtils.getColor(resources, R.color.default_primary_color);
+            mThemeColor = calculateThemeColor(false);
+        } else {
+            mIdealFaviconSize = 16;
+            mDefaultThemeColor = 0;
+            mThemeColor = mDefaultThemeColor;
+        }
 
         // Restore data from the TabState, if it existed.
         if (frozenState != null) {
@@ -1288,7 +1294,6 @@ public class Tab
             } else {
                 setContentViewCore(contentViewCore);
             }
-
             mContentViewCore.addImeEventObserver(new ImeEventObserver() {
                 @Override
                 public void onImeEvent() {
@@ -1308,7 +1313,6 @@ public class Tab
             if (!creatingWebContents && webContents.isLoadingToDifferentDocument()) {
                 didStartPageLoad(webContents.getVisibleUrl(), false);
             }
-
             getAppBannerManager().setIsEnabledForTab(mDelegateFactory.canShowAppBanners(this));
         } finally {
             if (mTimestampMillis == INVALID_TIMESTAMP) {