Move GraphicsContextTest to platform/ and fix the test environment.

Source/platform/blink_platform_tests.gyp

Index: Source/platform/blink_platform_tests.gyp
diff --git a/Source/platform/blink_platform_tests.gyp b/Source/platform/blink_platform_tests.gyp
index fa9c986a4b613b4d87d588746d9fc5c5317fb348..a05e9371c08ee9434ac2016ffff1537746d672b0 100644
--- a/Source/platform/blink_platform_tests.gyp
+++ b/Source/platform/blink_platform_tests.gyp
@@ -32,45 +32,62 @@
     '../build/win/precompile.gypi',
     'blink_platform.gypi',
   ],
-  'targets': [{
-    'target_name': 'blink_platform_unittests',
-    'type': 'executable',
-    'dependencies': [
-      '../config.gyp:unittest_config',
-      '../wtf/wtf.gyp:wtf',
-      '../wtf/wtf_tests.gyp:run_all_tests',
-      '../wtf/wtf_tests.gyp:wtf_unittest_helpers',
-      'blink_platform.gyp:blink_platform',
-      'blink_platform.gyp:blink_common',
-      '<(DEPTH)/skia/skia.gyp:skia',
-      '<(DEPTH)/url/url.gyp:url_lib',
-    ],
-    'defines': [
-      'INSIDE_BLINK',
-    ],
-    'include_dirs': [
-      '<(SHARED_INTERMEDIATE_DIR)/blink',
-    ],
-    'sources': [
-      '<@(platform_test_files)',
-    ],
-    'conditions': [
-      # TODO(dmikurube): Kill linux_use_tcmalloc. http://crbug.com/345554
-      ['os_posix==1 and OS!="mac" and OS!="android" and OS!="ios" and ((use_allocator!="none" and use_allocator!="see_use_tcmalloc") or (use_allocator=="see_use_tcmalloc" and linux_use_tcmalloc==1))', {
-        'dependencies': [
-          '<(DEPTH)/base/base.gyp:base',
-          '<(DEPTH)/base/allocator/allocator.gyp:allocator',
-        ]
-      }],
-      ['OS=="android" and gtest_target_type == "shared_library"', {
-        'type': 'shared_library',
-        'dependencies': [
-          '<(DEPTH)/testing/android/native_test.gyp:native_test_native_code',
-          '<(DEPTH)/tools/android/forwarder2/forwarder.gyp:forwarder2',
-        ],
-      }],
-    ],
-  }],
+  'targets': [
+    {
+      'target_name': 'blink_platform_unittests',
+      'type': 'executable',
+      'dependencies': [
+        'blink_platform_run_all_tests',
+        '../config.gyp:unittest_config',
+        '../wtf/wtf.gyp:wtf',
+        '../wtf/wtf_tests.gyp:wtf_unittest_helpers',
+        'blink_platform.gyp:blink_platform',
+        'blink_platform.gyp:blink_common',
+        '<(DEPTH)/skia/skia.gyp:skia',
+        '<(DEPTH)/url/url.gyp:url_lib',
+      ],
+      'defines': [
+        'INSIDE_BLINK',
+      ],
+      'include_dirs': [
+        '<(SHARED_INTERMEDIATE_DIR)/blink',
+      ],
+      'sources': [
+        '<@(platform_test_files)',
+      ],
+      'conditions': [
+        # TODO(dmikurube): Kill linux_use_tcmalloc. http://crbug.com/345554
+        ['os_posix==1 and OS!="mac" and OS!="android" and OS!="ios" and ((use_allocator!="none" and use_allocator!="see_use_tcmalloc") or (use_allocator=="see_use_tcmalloc" and linux_use_tcmalloc==1))', {
+          'dependencies': [
+            '<(DEPTH)/base/base.gyp:base',
+            '<(DEPTH)/base/allocator/allocator.gyp:allocator',
+          ]
+        }],
+        ['OS=="android" and gtest_target_type == "shared_library"', {
+          'type': 'shared_library',
+          'dependencies': [
+            '<(DEPTH)/testing/android/native_test.gyp:native_test_native_code',
+            '<(DEPTH)/tools/android/forwarder2/forwarder.gyp:forwarder2',
+          ],
+        }],
+      ],
+    },
+    {
+      'target_name': 'blink_platform_run_all_tests',
+      'type': 'static_library',
+      'dependencies': [
+        '../wtf/wtf.gyp:wtf',
+        '../config.gyp:unittest_config',
+        '<(DEPTH)/base/base.gyp:test_support_base',
+      ],
+      'export_dependent_settings': [
+        '<(DEPTH)/base/base.gyp:test_support_base',
+      ],
+      'sources': [
+        'testing/RunAllTests.cpp',
+      ],
+    },
+  ],
   'conditions': [
     ['OS=="android" and android_webview_build==0 and gtest_target_type == "shared_library"', {
       'targets': [{