Apply -lgcov link to type loadable_bundle when building coverage=1.

build/common.gypi

 # Copyright (c) 2009 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': {
     # .gyp files should set chromium_code to 1 if they build Chromium-specific
@@ skipping 343 matching lines @@
           'ENABLE_GPU=1',
         ],
       }],
       ['coverage!=0', {
         'conditions': [
           ['OS=="mac"', {
             'xcode_settings': {
               'GCC_INSTRUMENT_PROGRAM_FLOW_ARCS': 'YES',  # -fprofile-arcs
               'GCC_GENERATE_TEST_COVERAGE_FILES': 'YES',  # -ftest-coverage
             },
-            # Add -lgcov for executables and shared_libraries, not for
-            # static_libraries.  This is a delayed conditional.
+            # Add -lgcov for types executable, shared_library, and
+            # loadable_module; not for static_library.  
+            # This is a delayed conditional.
             'target_conditions': [
-              ['_type=="executable" or _type=="shared_library"', {
+              ['_type!="static_library"', {
                 'xcode_settings': { 'OTHER_LDFLAGS': [ '-lgcov' ] },
               }],
             ],
           }],
           # Linux gyp (into scons) doesn't like target_conditions?
           # TODO(???): track down why 'target_conditions' doesn't work
           # on Linux gyp into scons like it does on Mac gyp into xcodeproj.
           ['OS=="linux"', {
             'cflags': [ '-ftest-coverage',
                         '-fprofile-arcs' ],
@@ skipping 762 matching lines @@
     # and therefore SYMROOT, needs to be set at the project level.
     'SYMROOT': '<(DEPTH)/xcodebuild',
   },
 }
 
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