Add GPU fingerprint information to breakpad microdumps.

src/client/linux/microdump_writer/microdump_writer.h

Index: src/client/linux/microdump_writer/microdump_writer.h
diff --git a/src/client/linux/microdump_writer/microdump_writer.h b/src/client/linux/microdump_writer/microdump_writer.h
index e218558363cf3f34d89f534470b5d6f3c262da38..66b4759f4265134dd6810edb9307ade460db8a6a 100644
--- a/src/client/linux/microdump_writer/microdump_writer.h
+++ b/src/client/linux/microdump_writer/microdump_writer.h
@@ -37,6 +37,8 @@
 
 namespace google_breakpad {
 
+struct MicrodumpExtraInfo;
+
 // Writes a microdump (a reduced dump containing only the state of the crashing
 // thread) on the console (logcat on Android). These functions do not malloc nor
 // use libc functions which may. Thus, it can be used in contexts where the
@@ -52,12 +54,10 @@ namespace google_breakpad {
 //     version (e.g., WebView:42.0.2311.136).
 //
 // Returns true iff successful.
-bool WriteMicrodump(pid_t crashing_process,
-                    const void* blob,
-                    size_t blob_size,
-                    const MappingList& mappings,
-                    const char* build_fingerprint,
-                    const char* product_info);
+bool WriteMicrodump(
+    pid_t crashing_process, const void* blob, size_t blob_size,

[Lei Zhang, 2015/09/10 18:38:19]

I like 1 param per line

[Tobias Sargeant, 2015/09/11 09:07:49]

Done.

+    const MappingList& mappings,
+    const MicrodumpExtraInfo& microdump_extra_info);
 
 }  // namespace google_breakpad