Download home : Added info menu icon

chrome/android/java/src/org/chromium/chrome/browser/download/ui/DownloadHistoryAdapter.java

Index: chrome/android/java/src/org/chromium/chrome/browser/download/ui/DownloadHistoryAdapter.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/download/ui/DownloadHistoryAdapter.java b/chrome/android/java/src/org/chromium/chrome/browser/download/ui/DownloadHistoryAdapter.java
index ffd9d6e79b86b559e22d447801a4e1fed71e8ff7..059ee7525dbb375e0cec68decfe41212c97e5e3e 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/download/ui/DownloadHistoryAdapter.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/download/ui/DownloadHistoryAdapter.java
@@ -161,6 +161,7 @@ public class DownloadHistoryAdapter extends DateDividedAdapter
     private String mSearchQuery = EMPTY_QUERY;
     private SpaceDisplay mSpaceDisplay;
     private boolean mIsSearching;
+    private boolean mShowSpaceDisplayHeader;

[Theresa, 2017/05/09 23:32:23]

nit: mShowingSpaceDisplayHeader or mShouldShowSpaceDisplayHeader.

[shaktisahu, 2017/05/11 19:55:47]

Done.

 
     @Nullable // This may be null during tests.
     private UiConfig mUiConfig;
@@ -531,6 +532,16 @@ public class DownloadHistoryAdapter extends DateDividedAdapter
         filter(mFilter);
     }
 
+    /**
+     * Toggles the visibility of the space usage info header.
+     * @return Whether or not we are showing the header after the toggle.
+     */
+    boolean toggleSpaceDisplayHeader() {
+        mShowSpaceDisplayHeader = !mShowSpaceDisplayHeader;
+        filter(mFilter);
+        return mShowSpaceDisplayHeader;
+    }
+
     private DownloadDelegate getDownloadDelegate() {
         return mBackendProvider.getDownloadDelegate();
     }
@@ -560,7 +571,7 @@ public class DownloadHistoryAdapter extends DateDividedAdapter
         }
 
         clear(false);
-        if (!filteredTimedItems.isEmpty() && !mIsSearching) addHeader();
+        if (!filteredTimedItems.isEmpty() && !mIsSearching && mShowSpaceDisplayHeader) addHeader();
         loadItems(filteredTimedItems);
     }