Snapshot of all changes to get jumbo in blink and content.

content/renderer/BUILD.gn

Index: content/renderer/BUILD.gn
diff --git a/content/renderer/BUILD.gn b/content/renderer/BUILD.gn
index 123d6d766ab0a5a375dbcfb990e1be3973803c99..f978effaa469864d01749022a8fc861fb79f55e2 100644
--- a/content/renderer/BUILD.gn
+++ b/content/renderer/BUILD.gn
@@ -12,14 +12,9 @@ import("//ppapi/features/features.gni")
 import("//printing/features/features.gni")
 import("//third_party/webrtc/webrtc.gni")
 import("//tools/ipc_fuzzer/ipc_fuzzer.gni")
+import("//content/content.gni")
 
-if (is_component_build) {
-  link_target_type = "source_set"
-} else {
-  link_target_type = "split_static_library"
-}
-
-target(link_target_type, "renderer") {
+content_component("renderer") {
   # Only the public target should depend on this. All other targets (even
   # internal content ones) should depend on the public one.
   visibility = [
@@ -158,6 +153,7 @@ target(link_target_type, "renderer") {
     "input/frame_input_handler_impl.cc",
     "input/frame_input_handler_impl.h",
     "input/input_event_filter.cc",
+    "input/input_event_filter_ipc_names.cc",
     "input/input_event_filter.h",
     "input/input_handler_manager.cc",
     "input/input_handler_manager.h",
@@ -407,6 +403,17 @@ target(link_target_type, "renderer") {
     "webscrollbarbehavior_impl_mac.mm",
   ]
 
+  jumbo_excluded_sources = [
+    # IPC
+    "input/input_event_filter_ipc_names.cc",
+
+    # Too many IsRunningInMash.
+    "gpu/render_widget_compositor.cc",
+
+    # Too many InputEventDispositionToAck.
+    "input/widget_input_handler_manager.cc",
+  ]
+
   if (!is_component_build) {
     if (is_win && is_official_build) {
       split_count = 2  # In certain configurations a full renderer.lib can