tracing: restructure to the components/tracing folder

components/tracing.gyp

Index: components/tracing.gyp
diff --git a/components/tracing.gyp b/components/tracing.gyp
index 9466a1c8aa2618f1cbbcbd944a56fd1a4befdfd1..0bd93241f42a0ab259e6d9eb5849432b51ef4a05 100644
--- a/components/tracing.gyp
+++ b/components/tracing.gyp
@@ -26,28 +26,28 @@
         'TRACING_IMPLEMENTATION=1',
       ],
       'sources': [
-        'tracing/child_memory_dump_manager_delegate_impl.cc',
-        'tracing/child_memory_dump_manager_delegate_impl.h',
-        'tracing/child_trace_message_filter.cc',
-        'tracing/child_trace_message_filter.h',
-        'tracing/graphics_memory_dump_provider_android.cc',
-        'tracing/graphics_memory_dump_provider_android.h',
-        'tracing/process_metrics_memory_dump_provider.cc',
-        'tracing/process_metrics_memory_dump_provider.h',
-        'tracing/trace_config_file.cc',
-        'tracing/trace_config_file.h',
-        'tracing/trace_to_console.cc',
-        'tracing/trace_to_console.h',
+        'tracing/browser/trace_config_file.cc',
+        'tracing/browser/trace_config_file.h',
+        'tracing/child/child_memory_dump_manager_delegate_impl.cc',
+        'tracing/child/child_memory_dump_manager_delegate_impl.h',
+        'tracing/child/child_trace_message_filter.cc',
+        'tracing/child/child_trace_message_filter.h',
+        'tracing/common/graphics_memory_dump_provider_android.cc',
+        'tracing/common/graphics_memory_dump_provider_android.h',
+        'tracing/common/process_metrics_memory_dump_provider.cc',
+        'tracing/common/process_metrics_memory_dump_provider.h',
+        'tracing/common/trace_to_console.cc',
+        'tracing/common/trace_to_console.h',
+        'tracing/common/tracing_messages.cc',
+        'tracing/common/tracing_messages.h',
+        'tracing/common/tracing_switches.cc',
+        'tracing/common/tracing_switches.h',
         'tracing/tracing_export.h',
-        'tracing/tracing_messages.cc',
-        'tracing/tracing_messages.h',
-        'tracing/tracing_switches.cc',
-        'tracing/tracing_switches.h',
       ],
       'target_conditions': [
         ['>(nacl_untrusted_build)==1', {
           'sources!': [
-            'tracing/process_metrics_memory_dump_provider.cc',
+            'tracing/common/process_metrics_memory_dump_provider.cc',
           ],
         }],
       ]