Remove outdated tools/gcov.sh.

R=machenbach@chromium.org

Bug: v8:7335
Change-Id: I4115012e152ff8f40e946d59378d388fc8939143
Reviewed-on: https://chromium-review.googlesource.com/893179Reviewed-by: Michael Achenbach <machenbach@chromium.org>
Commit-Queue: Yang Guo <yangguo@chromium.org>
Cr-Commit-Position: refs/heads/master@{#50960}

tools/gcov.sh

-#!/bin/bash
-#
-# Copyright 2017 the V8 project authors. All rights reserved.
-# Use of this source code is governed by a BSD-style license that can be
-# found in the LICENSE file.
-
-# Build and collect code coverage data, cummulatively, on specified architectures.
-
-BUILD_TYPE=${BUILD_TYPE:-Release}
-
-declare -A modes=( [Release]=release [Debug]=debug )
-declare -A pairs=( [arm]=ia32 [arm64]=x64 [ia32]=ia32 [x64]=x64 )
-
-if [ -z ${modes[$BUILD_TYPE]} ]
-then
-    echo "BUILD_TYPE must be {<unspecified>|Release|Debug}"
-    echo "Release is default"
-    exit
-fi
-
-mode=${modes[$BUILD_TYPE]}
-
-echo "Using build:" $BUILD_TYPE
-v8_root=$(readlink -f $(dirname $BASH_SOURCE)/../)
-work_dir=$v8_root/cov
-build_dir=$work_dir/$BUILD_TYPE
-
-if [ -z $@ ]
-then
-    echo "Pass at least one target architecture"
-    echo "Supported architectures: x64 ia32 arm arm64"
-    echo ""
-    echo "Example: ./tools/gcov.sh x64 arm"
-    echo ""
-    echo "Optionally, set BUILD_TYPE env variable to"
-    echo "either Debug or Release, to use the corresponding build."
-    echo "By default, BUILD_TYPE is Release."
-    echo ""
-    echo "Example: BUILD_TYPE=Debug ./tools/gcov.sh x64 arm"
-    echo ""
-    exit
-fi
-
-lcov --directory=$build_dir --zerocounters
-
-# Mapping v8 build terminology to gnu compiler terminology:
-#   target_arch is the host, and
-#   v8_target_arch is the target
-
-for v8_target_arch in "$@"
-do
-    target_arch=${pairs[$v8_target_arch]}
-    if [ -z $target_arch ]
-    then
-        echo "Skipping unknown architecture: " $v8_target_arch
-    else
-        echo "Building" $v8_target_arch
-        GYP_DEFINES="component=static_library use_goma=1 target_arch=$target_arch v8_target_arch=$v8_target_arch coverage=1 clang=0" python $v8_root/gypfiles/gyp_v8.py -G output_dir=$work_dir
-        ninja -C $build_dir -j2000
-        $v8_root/tools/run-tests.py --gcov-coverage --arch=$v8_target_arch --mode=$mode --shell-dir=$build_dir --variants=exhaustive
-    fi
-done
-
-lcov --directory=$build_dir --capture --output-file $work_dir/app.info
-genhtml --output-directory $work_dir/html $work_dir/app.info
-echo "Done"
-echo "Output available at: " $work_dir/html/index.html