Break some parts of remoting.gyp into separate .gypi files.

remoting/remoting_host_linux.gypi

+# Copyright 2014 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.
+
+{
+  'conditions': [
+    ['OS=="linux" and branding=="Chrome" and enable_remoting_host==1', {
+      'variables': {
+        'build_deb_script': 'host/installer/linux/build-deb.sh',
+        'deb_filename': 'host/installer/<!(["<(build_deb_script)", "-p", "-s", "<(DEPTH)"])',
+        'packaging_outputs': [
+          '<(deb_filename)',
+          '<!(echo <(deb_filename) | sed -e "s/.deb$/.changes/")',
+          '<(PRODUCT_DIR)/remoting_me2me_host.debug',
+          '<(PRODUCT_DIR)/remoting_start_host.debug',
+          '<(PRODUCT_DIR)/remoting_native_messaging_host.debug',
+        ]
+      },
+      'targets': [
+        {
+          # Store the installer package(s) into a zip file so there is a
+          # consistent filename to reference for build archiving (i.e. in
+          # FILES.cfg). This also avoids possible conflicts with "wildcard"
+          # package handling in other build/signing scripts.
+          'target_name': 'remoting_me2me_host_archive',
+          'type': 'none',
+          'dependencies': [
+            'remoting_me2me_host_deb_installer',
+          ],
+          'actions': [
+            {
+              'action_name': 'build_linux_installer_zip',
+              'inputs': [
+                '<@(packaging_outputs)',
+              ],
+              'outputs': [
+                '<(PRODUCT_DIR)/remoting-me2me-host-<(OS).zip',
+              ],
+              'action': [ 'zip', '-j', '-0', '<@(_outputs)', '<@(_inputs)' ],
+            },
+          ],
+        },
+        {
+          'target_name': 'remoting_me2me_host_deb_installer',
+          'type': 'none',
+          'dependencies': [
+            '<(icu_gyp_path):icudata',
+            'remoting_it2me_native_messaging_host',
+            'remoting_me2me_host',
+            'remoting_me2me_native_messaging_host',
+            'remoting_native_messaging_manifests',
+            'remoting_resources',
+            'remoting_start_host',
+          ],
+          'actions': [
+            {
+              'action_name': 'build_debian_package',
+              'inputs': [
+                '<(build_deb_script)',
+                'host/installer/linux/Makefile',
+                'host/installer/linux/debian/chrome-remote-desktop.init',
+                'host/installer/linux/debian/chrome-remote-desktop.pam',
+                'host/installer/linux/debian/compat',
+                'host/installer/linux/debian/control',
+                'host/installer/linux/debian/copyright',
+                'host/installer/linux/debian/postinst',
+                'host/installer/linux/debian/preinst',
+                'host/installer/linux/debian/rules',
+              ],
+              'outputs': [
+                '<@(packaging_outputs)',
+              ],
+              'action': [ '<(build_deb_script)', '-s', '<(DEPTH)' ],
+            },
+          ],
+        },
+      ],
+    }],  # OS=="linux" and branding=="Chrome"
+
+    ['OS=="linux" and enable_remoting_host==1', {
+      'targets': [
+        # Linux breakpad processing
+        {
+          'target_name': 'remoting_linux_symbols',
+          'type': 'none',
+          'conditions': [
+            ['linux_dump_symbols==1', {
+              'actions': [
+                {
+                  'action_name': 'dump_symbols',
+                  'variables': {
+                    'plugin_file': '<(host_plugin_prefix)remoting_host_plugin.<(host_plugin_extension)',
+                  },
+                  'inputs': [
+                    '<(DEPTH)/build/linux/dump_app_syms',
+                    '<(PRODUCT_DIR)/dump_syms',
+                    '<(PRODUCT_DIR)/<(plugin_file)',
+                  ],
+                  'outputs': [
+                    '<(PRODUCT_DIR)/<(plugin_file).breakpad.<(target_arch)',
+                  ],
+                  'action': ['<(DEPTH)/build/linux/dump_app_syms',
+                             '<(PRODUCT_DIR)/dump_syms',
+                             '<(linux_strip_binary)',
+                             '<(PRODUCT_DIR)/<(plugin_file)',
+                             '<@(_outputs)'],
+                  'message': 'Dumping breakpad symbols to <(_outputs)',
+                  'process_outputs_as_sources': 1,
+                },
+              ],
+              'dependencies': [
+                'remoting_host_plugin',
+                '../breakpad/breakpad.gyp:dump_syms',
+              ],
+            }],  # 'linux_dump_symbols==1'
+          ],  # end of 'conditions'
+        },  # end of target 'linux_symbols'
+        {
+          'target_name': 'remoting_start_host',
+          'type': 'executable',
+          'dependencies': [
+            'remoting_host_setup_base',
+          ],
+          'sources': [
+            'host/setup/host_starter.cc',
+            'host/setup/host_starter.h',
+            'host/setup/start_host.cc',
+          ],
+          'conditions': [
+            ['linux_use_tcmalloc==1', {
+              'dependencies': [
+                '../base/allocator/allocator.gyp:allocator',
+              ],
+            }],
+          ],
+        },  # end of target 'remoting_start_host'
+      ],  # end of 'targets'
+    }],  # 'OS=="linux"'
+
+  ],  # end of 'conditions'
+}