Serialize a subset of WebInputEvents to protobufs.

blimp/common/BUILD.gn

Index: blimp/common/BUILD.gn
diff --git a/blimp/common/BUILD.gn b/blimp/common/BUILD.gn
index 49afa021f6b111b5fbbd9704de66795eebbd2c9e..5ee8f9a4b16e64c8b2213ed977323d311cf7b48e 100644
--- a/blimp/common/BUILD.gn
+++ b/blimp/common/BUILD.gn
@@ -9,6 +9,8 @@ component("blimp_common") {
     "blimp_common_export.h",
     "compositor/blimp_task_graph_runner.cc",
     "compositor/blimp_task_graph_runner.h",
+    "input/input_event_conversions.cc",
+    "input/input_event_conversions.h",
   ]
 
   defines = [ "BLIMP_COMMON_IMPLEMENTATION=1" ]
@@ -22,3 +24,18 @@ component("blimp_common") {
     "//ui/gl",
   ]
 }
+
+source_set("unit_tests") {
+  testonly = true
+
+  sources = [
+    "input/input_event_conversions_unittest.cc",
+  ]
+
+  deps = [
+    ":blimp_common",
+    "//base",
+    "//blimp/common/proto",
+    "//testing/gtest",
+  ]
+}