Add infrastructure for testing the debugger code.

gyp/debugger.gyp

 {
   'variables': {
     'conditions': [
       [ 'skia_os in ["linux", "freebsd", "openbsd", "solaris", "chromeos"]', {
         # Use the systemwide Qt libs by default
         'variables': {
           'qt_sdk%': '/usr',
         },
         'qt_sdk': '<(qt_sdk)',
         'qt_moc%': 'moc',
@@ skipping 69 matching lines @@
         '../src/core',
         '../src/utils/debugger',
         '../debugger',      # To pull SkDebugger.h
         '../src/gpu',       # To pull gl/GrGLUtil.h
         '../src/ports',     # To pull SkFontDescriptor.h
         '../bench',
         '../tools',
       ],
       'sources': [
         '../debugger/SkDebugger.cpp',
-        '../src/utils/debugger/SkDebugCanvas.h',
-        '../src/utils/debugger/SkDebugCanvas.cpp',
-        '../src/utils/debugger/SkDrawCommand.h',
-        '../src/utils/debugger/SkDrawCommand.cpp',
-        '../src/utils/debugger/SkObjectParser.h',
-        '../src/utils/debugger/SkObjectParser.cpp',
       ],
       'dependencies': [
+        'debugger_lib',
         'skia_lib.gyp:skia_lib',
         'bench.gyp:bench_timer',
         'tools.gyp:picture_renderer',
       ],
       'conditions': [
         [ 'skia_os == "nacl"', {
           'include_dirs': [
             '../src/utils',
           ],
           'sources': [
@@ skipping 39 matching lines @@
             'debugger_qt_mocs',
           ],
           'link_settings': {
             'libraries': [
               '<@(qt_libs)',
             ],
           },
         }],
       ],
     },
+    {
+      'target_name': 'debugger_lib',
+      'type': 'static_library',
+      'include_dirs' : [
+        '../src/core',
+      ],
+      'dependencies': [
+        'skia_lib.gyp:skia_lib',
+      ],
+      'sources': [
+        '../src/utils/debugger/SkDebugCanvas.h',
+        '../src/utils/debugger/SkDebugCanvas.cpp',
+        '../src/utils/debugger/SkDrawCommand.h',
+        '../src/utils/debugger/SkDrawCommand.cpp',
+        '../src/utils/debugger/SkObjectParser.h',
+        '../src/utils/debugger/SkObjectParser.cpp',
+      ]
+    },
   ],
   'conditions': [
     [ 'skia_os != "nacl"', {
       'targets': [
         {
           'target_name': 'debugger_qt_mocs',
           'type': 'none',
           'sources': [
             '<(moc_src_dir)/SkCanvasWidget.h',
             '<(moc_src_dir)/SkDebuggerGUI.h',
@@ skipping 18 matching lines @@
       ],
     }],
   ],
 }
 
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