Create top-level separate targets for browser and child dlls

The general idea is that there's top level targets chrome and chrome_child,
and corresponding content_app and content_app_child that depend on only
the subtargets that should be included in the appropriate dll.

Pull bluetooth_utils from bluetooth_device into separate common target
as it's referenced from chrome/common/extensions.

Currently (probably) Windows-only and requires setting chrome_multiple_dll=1
for gyp.

Links, but Blink is still included in browser.

Single-process mode is currently disabled when chrome_multiple_dll is set.

Current graph is at: http://commondatastorage.googleapis.com/chromelinkgraph/deps.html
generated by "python tools\win\split_link\graph_dependencies.py deps.html"

Remove the previous hacky-er attempt at this that was named "split dll".

TBR=jam@chromium.org

BUG=237249,256965

Review URL: https://codereview.chromium.org/17619005

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@212230 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 0 insertions, 6 deletions

diff --git a/base/debug/trace_event_impl.cc b/base/debug/trace_event_impl.cc
index 4d637cd..e061ea1 100644
--- a/base/debug/trace_event_impl.cc
+++ b/base/debug/trace_event_impl.cc
@@ -42,11 +42,8 @@ class DeleteTraceLogForTesting {
   }
 };
 
-// Not supported in split-dll build. http://crbug.com/237249
-#if !defined(CHROME_SPLIT_DLL)
 // The thread buckets for the sampling profiler.
 BASE_EXPORT TRACE_EVENT_API_ATOMIC_WORD g_trace_state[3];
-#endif
 
 namespace base {
 namespace debug {
@@ -981,8 +978,6 @@ void TraceLog::SetEnabled(const CategoryFilter& category_filter,
     category_filter_ = CategoryFilter(category_filter);
     EnableIncludedCategoryGroups();
 
-    // Not supported in split-dll build. http://crbug.com/237249
-  #if !defined(CHROME_SPLIT_DLL)
     if (options & ENABLE_SAMPLING) {
       sampling_thread_.reset(new TraceSamplingThread);
       sampling_thread_->RegisterSampleBucket(
@@ -1002,7 +997,6 @@ void TraceLog::SetEnabled(const CategoryFilter& category_filter,
         DCHECK(false) << "failed to create thread";
       }
     }
-  #endif
 
     dispatching_to_observer_list_ = true;
     observer_list = enabled_state_observer_list_;