BASELINE: Update Chromium to 77.0.3865.59

Change-Id: I1e89a5f3b009a9519a6705102ad65c92fe736f21
Reviewed-by: Michael Brüning <michael.bruning@qt.io>

3 files changed, 10 insertions, 6 deletions

diff --git a/chromium/build/config/c++/BUILD.gn b/chromium/build/config/c++/BUILD.gn
index 45af7c85395..3845a270413 100644
--- a/chromium/build/config/c++/BUILD.gn
+++ b/chromium/build/config/c++/BUILD.gn
@@ -15,11 +15,6 @@ declare_args() {
   # TODO(thomasanderson): Set this to true by default once rL352899 is available
   # in MacOS's lldb.
   libcxx_abi_unstable = !((is_mac || is_ios) && is_debug && is_component_build)
-
-  # Builds libcxx Natvis into the symbols for type visualization.
-  # Set to false to workaround http://crbug.com/966676 and
-  # http://crbug.com/966687.
-  libcxx_natvis_include = true
 }
 
 # TODO(xiaohuic): https://crbug/917533 Crashes on internal ChromeOS build.
@@ -84,6 +79,8 @@ config("runtime_library") {
     # Add a debug visualizer for Microsoft's debuggers so that they can display
     # libc++ types well.
     if (libcxx_natvis_include) {
+      # chrome.natvis listed as an input in //buildtools/third_party/libc++ to
+      # guarantee relinking on changes.
       ldflags += [ "/NATVIS:" + rebase_path("libc++.natvis", root_build_dir) ]
     }
   } else {
diff --git a/chromium/build/config/c++/c++.gni b/chromium/build/config/c++/c++.gni
index b639ca7793c..834a943deca 100644
--- a/chromium/build/config/c++/c++.gni
+++ b/chromium/build/config/c++/c++.gni
@@ -23,6 +23,11 @@ declare_args() {
   # expected usage is to set use_custom_libcxx=false and
   # use_custom_libcxx_for_host=true in the passed in buildargs.
   use_custom_libcxx_for_host = false
+
+  # Builds libcxx Natvis into the symbols for type visualization.
+  # Set to false to workaround http://crbug.com/966676 and
+  # http://crbug.com/966687.
+  libcxx_natvis_include = true
 }
 
 use_custom_libcxx =
diff --git a/chromium/build/config/c++/libc++.natvis b/chromium/build/config/c++/libc++.natvis
index 06160884447..2603e2e877a 100644
--- a/chromium/build/config/c++/libc++.natvis
+++ b/chromium/build/config/c++/libc++.natvis
@@ -53,7 +53,9 @@
   <Type Name="std::__1::basic_string&lt;char,*&gt;">
     <!--<Intrinsic Name="is_long"
             Expression="((__rep*)&amp;__r_)-&gt;__s.__size_ &amp; 0x80" />-->
-    <!-- The above doesn't work for reasons I don't understand.
+    <!-- The above doesn't work because of https://llvm.org/PR41615
+         TODO(thakis): Now that we have clang r362038, try the above approach
+                       again.
          The below assumes the alternate string layout and little endianness :/
     -->
     <Intrinsic Name="is_long"