Roll breakpad to r1405 and add microdump_stackwalk to build files.

breakpad/BUILD.gn

Index: breakpad/BUILD.gn
diff --git a/breakpad/BUILD.gn b/breakpad/BUILD.gn
index 884caf1ac1cbeb470275081d58f2e1b69cfe090e..bae85d6824fbc78d73e37045b810be245cb226aa 100644
--- a/breakpad/BUILD.gn
+++ b/breakpad/BUILD.gn
@@ -37,10 +37,11 @@ config("handler_config") {
   ]
 }
 
-# minidump_stackwalk and minidump_dump are tool-type executables that do
+# {micro,mini}dump_stackwalk and minidump_dump are tool-type executables that do
 # not build on iOS.
 if (current_toolchain == host_toolchain && !is_win) {
-  executable("minidump_stackwalk") {
+  # Contains the code shared by both {micro,mini}dump_stackwalk.
+  static_library("stackwalk_common") {
     sources = [
       "src/processor/basic_code_module.h",
       "src/processor/basic_code_modules.cc",
@@ -55,12 +56,8 @@ if (current_toolchain == host_toolchain && !is_win) {
       "src/processor/disassembler_x86.h",
       "src/processor/dump_context.cc",
       "src/processor/dump_object.cc",
-      "src/processor/exploitability.cc",
       "src/processor/logging.cc",
       "src/processor/logging.h",
-      "src/processor/minidump.cc",
-      "src/processor/minidump_processor.cc",
-      "src/processor/minidump_stackwalk.cc",
       "src/processor/pathname_stripper.cc",
       "src/processor/pathname_stripper.h",
       "src/processor/process_state.cc",
@@ -69,6 +66,7 @@ if (current_toolchain == host_toolchain && !is_win) {
       "src/processor/source_line_resolver_base.cc",
       "src/processor/stack_frame_cpu.cc",
       "src/processor/stack_frame_symbolizer.cc",
+      "src/processor/stackwalk_common.cc",
       "src/processor/stackwalker.cc",
       "src/processor/stackwalker_amd64.cc",
       "src/processor/stackwalker_amd64.h",
@@ -122,6 +120,39 @@ if (current_toolchain == host_toolchain && !is_win) {
     configs -= [ "//build/config/compiler:chromium_code" ]
     configs += [ "//build/config/compiler:no_chromium_code" ]
     configs += [ ":tools_config" ]
+  }
+
+  executable("microdump_stackwalk") {
+    sources = [
+      "src/processor/microdump.cc",
+      "src/processor/microdump_processor.cc",
+      "src/processor/microdump_stackwalk.cc",
+    ]
+
+    deps = [ ":stackwalk_common" ]
+
+    defines = [ "BPLOG_MINIMUM_SEVERITY=SEVERITY_ERROR" ]
+
+    configs -= [ "//build/config/compiler:chromium_code" ]
+    configs += [ "//build/config/compiler:no_chromium_code" ]
+    configs += [ ":tools_config" ]
+  }
+
+  executable("minidump_stackwalk") {
+    sources = [
+      "src/processor/exploitability.cc",
+      "src/processor/minidump.cc",
+      "src/processor/minidump_processor.cc",
+      "src/processor/minidump_stackwalk.cc",
+    ]
+
+    deps = [ ":stackwalk_common" ]
+
+    defines = [ "BPLOG_MINIMUM_SEVERITY=SEVERITY_ERROR" ]
+
+    configs -= [ "//build/config/compiler:chromium_code" ]
+    configs += [ "//build/config/compiler:no_chromium_code" ]
+    configs += [ ":tools_config" ]
 
     # Always want these files included regardless of platform.
     set_sources_assignment_filter([])