Fix build warnings in third_party/android_data_chart.

third_party/android_data_chart/java/src/org/chromium/third_party/android/datausagechart/ChartGridView.java

Index: third_party/android_data_chart/java/src/org/chromium/third_party/android/datausagechart/ChartGridView.java
diff --git a/third_party/android_data_chart/java/src/org/chromium/third_party/android/datausagechart/ChartGridView.java b/third_party/android_data_chart/java/src/org/chromium/third_party/android/datausagechart/ChartGridView.java
deleted file mode 100644
index 971c23df0aee4d998029a29cbfe75d11bd161203..0000000000000000000000000000000000000000
--- a/third_party/android_data_chart/java/src/org/chromium/third_party/android/datausagechart/ChartGridView.java
+++ /dev/null
@@ -1,114 +0,0 @@
-/*
- * Copyright (C) 2013 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package org.chromium.third_party.android.datausagechart;
-
-import static android.text.format.DateUtils.FORMAT_ABBREV_MONTH;
-import static android.text.format.DateUtils.FORMAT_SHOW_DATE;
-
-import android.content.Context;
-import android.content.res.TypedArray;
-import android.graphics.Canvas;
-import android.graphics.drawable.Drawable;
-import android.text.format.DateUtils;
-import android.util.AttributeSet;
-import android.view.View;
-
-import org.chromium.third_party.android.R;
-
-import java.util.Locale;
-
-/**
- * Background of {@link ChartView} that renders grid lines as requested by
- * {@link ChartAxis#getTickPoints()}.
- * This is derived from com.android.settings.widget.ChartGridView.
- */
-public class ChartGridView extends View {
-
-    private ChartAxis mHoriz;
-    private ChartAxis mVert;
-
-    private Drawable mPrimary;
-    private Drawable mSecondary;
-    private Drawable mBorder;
-
-    public static String formatDateRange(Context context, long start, long end) {
-        final int flags = FORMAT_SHOW_DATE | FORMAT_ABBREV_MONTH;
-        final StringBuilder builder = new StringBuilder(50);
-        final java.util.Formatter formatter = new java.util.Formatter(
-                builder, Locale.getDefault());
-        return DateUtils.formatDateRange(context, formatter, start, end, flags, null).toString();
-    }
-
-    public ChartGridView(Context context) {
-        this(context, null, 0);
-    }
-
-    public ChartGridView(Context context, AttributeSet attrs) {
-        this(context, attrs, 0);
-    }
-
-    public ChartGridView(Context context, AttributeSet attrs, int defStyle) {
-        super(context, attrs, defStyle);
-
-        setWillNotDraw(false);
-
-        final TypedArray a = context.obtainStyledAttributes(
-                attrs, R.styleable.ChartGridView, defStyle, 0);
-
-        mPrimary = a.getDrawable(R.styleable.ChartGridView_primaryDrawable);
-        mSecondary = a.getDrawable(R.styleable.ChartGridView_secondaryDrawable);
-        mBorder = a.getDrawable(R.styleable.ChartGridView_borderDrawable);
-        a.recycle();
-    }
-
-    void init(ChartAxis horiz, ChartAxis vert) {
-        if (horiz == null) throw new NullPointerException("missing horiz");
-        if (vert == null) throw new NullPointerException("missing vert");
-        mHoriz = horiz;
-        mVert = vert;
-    }
-
-    @Override
-    protected void onDraw(Canvas canvas) {
-        final int width = getWidth();
-        final int height = getHeight();
-
-        final Drawable secondary = mSecondary;
-        float density = getResources().getDisplayMetrics().density;
-        final int secondaryHeight = Math.max(1, Math.round(density));
-
-        final float[] vertTicks = mVert.getTickPoints();
-        for (float y : vertTicks) {
-            final int bottom = (int) Math.min(y + secondaryHeight, height);
-            secondary.setBounds(0, (int) y, width, bottom);
-            secondary.draw(canvas);
-        }
-
-        final Drawable primary = mPrimary;
-        final int primaryWidth = secondaryHeight;
-
-        final float[] horizTicks = mHoriz.getTickPoints();
-        for (float x : horizTicks) {
-            final int right = (int) Math.min(x + primaryWidth, width);
-            primary.setBounds((int) x, 0, right, height);
-            primary.draw(canvas);
-        }
-
-        mBorder.setBounds(0, 0, width, height);
-        mBorder.draw(canvas);
-    }
-}