[Android] Makes GYP changes for EMMA coverage

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 906 matching lines @@
     # 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%': 1,
 
     # 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,
+
     # Set to 1 to force Visual C++ to use legacy debug information format /Z7.
     # This is useful for parallel compilation tools which can't support /Zi.
     # Only used on Windows.
     'win_z7%' : 0,
 
     # Although base/allocator lets you select a heap library via an
     # environment variable, the libcmt shim it uses sometimes gets in
     # the way.  To disable it entirely, and switch to normal msvcrt, do e.g.
     #  'win_use_allocator_shim': 0,
     #  'win_release_RuntimeLibrary': 2
@@ skipping 1223 matching lines @@
             # 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' ],
+            'cflags': [ '--coverage', '-g',
+                        '-DANDROID_COVERAGE' ],
             '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.
@@ skipping 2538 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',
   },
 }