Remove a bunch of TOOLKIT_GTK in content/ and gpu/, as well as NPAPI plugins on linux

content/content_shell.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.
 
 {
   'variables': {
     'content_shell_product_name': 'Content Shell',
     # The "19" is so that sites that sniff for version think that this is
     # something reasonably current; the "77.34.5" is a hint that this isn't a
     # standard Chrome.
@@ skipping 155 matching lines @@
         'shell/renderer/leak_detector.cc',
         'shell/renderer/leak_detector.h',
         'shell/renderer/shell_content_renderer_client.cc',
         'shell/renderer/shell_content_renderer_client.h',
         'shell/renderer/shell_render_frame_observer.cc',
         'shell/renderer/shell_render_frame_observer.h',
         'shell/renderer/shell_render_process_observer.cc',
         'shell/renderer/shell_render_process_observer.h',
         'shell/renderer/shell_render_view_observer.cc',
         'shell/renderer/shell_render_view_observer.h',
-        'shell/renderer/test_runner/key_code_mapping.cc',
         'shell/renderer/test_runner/key_code_mapping.h',
         'shell/renderer/test_runner/MockColorChooser.cpp',
         'shell/renderer/test_runner/MockColorChooser.h',
         'shell/renderer/test_runner/MockConstraints.cpp',
         'shell/renderer/test_runner/MockConstraints.h',
         'shell/renderer/test_runner/MockGrammarCheck.cpp',
         'shell/renderer/test_runner/MockGrammarCheck.h',
         'shell/renderer/test_runner/MockSpellCheck.cpp',
         'shell/renderer/test_runner/MockSpellCheck.h',
         'shell/renderer/test_runner/MockWebAudioDevice.cpp',
@@ skipping 364 matching lines @@
             'Debug_Base': {
               'msvs_settings': {
                 'VCLinkerTool': {
                   'LinkIncremental': '<(msvs_large_module_debug_link_mode)',
                 },
               },
             },
           },
           'msvs_large_pdb': 1,
         }],  # OS=="win"
-        ['OS == "win" or toolkit_uses_gtk == 1', {
+        ['OS == "win"', {
           'dependencies': [
             '../sandbox/sandbox.gyp:sandbox',
           ],
-        }],  # OS=="win" or toolkit_uses_gtk == 1
+        }],  # OS=="win"
         ['OS=="mac"', {
           'product_name': '<(content_shell_product_name)',
           'dependencies!': [
             'content_shell_lib',
           ],
           'dependencies': [
             'content_shell_framework',
             'content_shell_helper_app',
           ],
           'copies': [
@@ skipping 527 matching lines @@
                 '--input_symbol', '<(PRODUCT_DIR)/content_shell.exe.pdb',
                 '--destination_dir', '<(dest_dir)',
               ],
             },
           ],
         },
       ],
     }],  # OS=="win" and fastbuild==0 and target_arch=="ia32"
   ]
 }