Remove linux coverage scripts.

build/common.gypi

 # Copyright (c) 2012 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 # IMPORTANT:
 # Please don't directly include this file if you are building via gyp_chromium,
 # since gyp_chromium is automatically forcing its inclusion.
 {
   # Variables expected to be overriden on the GYP command line (-D) or by
   # ~/.gyp/include.gypi.
@@ skipping 935 matching lines @@
     # share the same compiler executable as the system driving the compilation,
     # because precompiled headers rely on pointers into a specific compiler
     # executable's image.  Setting this to 0 is needed to use an experimental
     # Linux-Mac cross compiler distcc farm.
     'chromium_mac_pch%': 1,
 
     # The default value for mac_strip in target_defaults. This cannot be
     # set there, per the comment about variable% in a target_defaults.
     'mac_strip_release%': 0,
 
-    # Set to 1 to enable code coverage.  In addition to build changes
-    # (e.g. extra CFLAGS), also creates a new target in the src/chrome
-    # project file called "coverage".
-    # Currently ignored on Windows.
-    'coverage%': 0,
-
     # Set to 1 to enable java code coverage. Instruments classes during build
     # to produce .ec files during runtime.
     'emma_coverage%': 0,
 
     # EMMA filter string consisting of a list of inclusion/exclusion patterns
     # separated with whitespace and/or comma. Only has effect if
     # 'emma_coverage=1'.
     'emma_filter%': '',
 
     # Set to 1 to force Visual C++ to use legacy debug information format /Z7.
@@ skipping 1247 matching lines @@
         'msvs_settings': {
           'VCLinkerTool': {
             'Profile': 'true',
           },
         },
         'defines': [
             'ADDRESS_SANITIZER',
             'MEMORY_TOOL_REPLACES_ALLOCATOR',
         ],
       }],  # asan==1 and OS=="win"
-      ['coverage!=0', {
-        'conditions': [
-          ['OS=="mac" or OS=="ios"', {
-            'xcode_settings': {
-              'GCC_INSTRUMENT_PROGRAM_FLOW_ARCS': 'YES',  # -fprofile-arcs
-              'GCC_GENERATE_TEST_COVERAGE_FILES': 'YES',  # -ftest-coverage
-            },
-          }],
-          ['OS=="mac"', {
-            # Add -lgcov for types executable, shared_library, and
-            # loadable_module; not for static_library.
-            # This is a delayed conditional.
-            'target_conditions': [
-              ['_type!="static_library"', {
-                'xcode_settings': { 'OTHER_LDFLAGS': [ '-lgcov' ] },
-              }],
-            ],
-          }],
-          ['OS=="linux" or OS=="android"', {
-            'cflags': [ '-ftest-coverage',
-                        '-fprofile-arcs' ],
-            'link_settings': { 'libraries': [ '-lgcov' ] },
-          }],
-          ['OS=="win"', {
-            'variables': {
-              # Disable incremental linking for all modules.
-              # 0: inherit, 1: disabled, 2: enabled.
-              'msvs_debug_link_incremental': '1',
-              'msvs_large_module_debug_link_mode': '1',
-              # Disable RTC. Syzygy explicitly doesn't support RTC instrumented
-              # binaries for now.
-              'win_debug_RuntimeChecks': '0',
-            },
-            'defines': [
-              # Disable iterator debugging (huge speed boost without any
-              # change in coverage results).
-              '_HAS_ITERATOR_DEBUGGING=0',
-            ],
-            'msvs_settings': {
-              'VCLinkerTool': {
-                # Enable profile information (necessary for coverage
-                # instrumentation). This is incompatible with incremental
-                # linking.
-                'Profile': 'true',
-              },
-            }
-         }],  # OS==win
-        ],  # conditions for coverage
-      }],  # coverage!=0
       ['OS=="win"', {
         'defines': [
           '__STD_C',
           '_CRT_SECURE_NO_DEPRECATE',
           '_SCL_SECURE_NO_DEPRECATE',
           # This define is required to pull in the new Win8 interfaces from
           # system headers like ShObjIdl.h.
           'NTDDI_VERSION=0x06020000',
           # This is required for ATL to use XP-safe versions of its functions.
           '_USING_V110_SDK71_',
@@ skipping 2461 matching lines @@
     # settings in target dicts.  SYMROOT is a special case, because many other
     # Xcode variables depend on it, including variables such as
     # PROJECT_DERIVED_FILE_DIR.  When a source group corresponding to something
     # like PROJECT_DERIVED_FILE_DIR is added to a project, in order for the
     # files to appear (when present) in the UI as actual files and not red
     # red "missing file" proxies, the correct path to PROJECT_DERIVED_FILE_DIR,
     # and therefore SYMROOT, needs to be set at the project level.
     'SYMROOT': '<(DEPTH)/xcodebuild',
   },
 }