Add java exception information to BuildInfo.

base/android/build_info.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef BASE_ANDROID_BUILD_INFO_H_
 #define BASE_ANDROID_BUILD_INFO_H_
 
 #include <jni.h>
 
 #include <string>
 
 #include "base/memory/singleton.h"
 
 namespace base {
 namespace android {
 
 // BuildInfo is a singleton class that stores android build and device
 // information. It will be called from Android specific java code and gets used
 // primarily in crash reporting.
+
+// It is also used to store the last java exception seen during JNI.
+// TODO(nileshagrawal): Find a better place to store this info.
 class BuildInfo {
  public:
 
   ~BuildInfo() {}
 
   // Static factory method for getting the singleton BuildInfo instance.
   // Note that ownership is not conferred on the caller and the BuildInfo in
   // question isn't actually freed until shutdown. This is ok because there
   // should only be one instance of BuildInfo ever created.
   static BuildInfo* GetInstance();
@@ skipping 23 matching lines @@
   }
 
   const char* package_version_code() const {
     return package_version_code_;
   }
 
   const char* package_version_name() const {
     return package_version_name_;
   }
 
+  const char* java_exception_info() const {
+    return java_exception_info_;
+  }
+
+  void set_java_exception_info(const std::string& info);
+
  private:
   BuildInfo();
 
   friend struct DefaultSingletonTraits<BuildInfo>;
 
   // Const char* is used instead of std::strings because these values must be
   // available even if the process is in a crash state. Sadly
   // std::string.c_str() doesn't guarantee that memory won't be allocated when
   // it is called.
   char* device_;
   char* model_;
   char* brand_;
   char* android_build_id_;
   char* android_build_fp_;
   char* package_version_code_;
   char* package_version_name_;
+  char* java_exception_info_;
 
   DISALLOW_COPY_AND_ASSIGN(BuildInfo);
 };
 
 bool RegisterBuildInfo(JNIEnv* env);
 
 }  // namespace android
 }  // namespace base
 
 #endif  // BASE_ANDROID_BUILD_INFO_H_