[Linux] Implement the crash key logging mechanism.

chrome/app/breakpad_linux.h

Index: chrome/app/breakpad_linux.h
diff --git a/chrome/app/breakpad_linux.h b/chrome/app/breakpad_linux.h
index 8f469261c45947d7e6d85487ecaf18a44b9c3d9c..ab213f88215cad207daa77bef49229370c3ad654 100644
--- a/chrome/app/breakpad_linux.h
+++ b/chrome/app/breakpad_linux.h
@@ -2,55 +2,25 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
+// Public interface for enabling Breakpad on Linux systems. This can be
+// included in files that are not built with linux_breakpad=1.
+
 #ifndef CHROME_APP_BREAKPAD_LINUX_H_
 #define CHROME_APP_BREAKPAD_LINUX_H_
 
-#include <sys/types.h>
-
-#include "base/basictypes.h"
+#include "build/build_config.h"
 
+// Turns on the crash reporter in any process.
 extern void InitCrashReporter();
+
+// Enables the crash reporter in child processes.
 #if defined(OS_ANDROID)
 extern void InitNonBrowserCrashReporterForAndroid();
 #endif
-bool IsCrashReporterEnabled();
 
-static const size_t kMaxActiveURLSize = 1024;
-static const size_t kGuidSize = 32;  // 128 bits = 32 chars in hex.
-static const size_t kDistroSize = 128;
-#if defined(ADDRESS_SANITIZER)
-static const size_t kMaxAsanReportSize = 1 << 16;
-#endif
-// Define a preferred limit on minidump sizes, because Crash Server currently
-// throws away any larger than 1.2MB (1.2 * 1024 * 1024).  A value of -1 means
-// no limit.
-static const off_t kMaxMinidumpFileSize = 1258291;
-
-// BreakpadInfo describes a crash report.
-// The minidump information can either be contained in a file descriptor (fd) or
-// in a file (whose path is in filename).
-struct BreakpadInfo {
-  int fd;                          // File descriptor to the Breakpad dump data.
-  const char* filename;            // Path to the Breakpad dump data.
-#if defined(ADDRESS_SANITIZER)
-  const char* log_filename;        // Path to the ASan log file.
-  const char* asan_report_str;     // ASan report.
-  unsigned asan_report_length;     // Length of |asan_report_length|.
-#endif
-  const char* process_type;        // Process type, e.g. "renderer".
-  unsigned process_type_length;    // Length of |process_type|.
-  const char* crash_url;           // Active URL in the crashing process.
-  unsigned crash_url_length;       // Length of |crash_url|.
-  const char* guid;                // Client ID.
-  unsigned guid_length;            // Length of |guid|.
-  const char* distro;              // Linux distro string.
-  unsigned distro_length;          // Length of |distro|.
-  bool upload;                     // Whether to upload or save crash dump.
-  uint64_t process_start_time;     // Uptime of the crashing process.
-  size_t oom_size;                 // Amount of memory requested if OOM.
-  uint64_t pid;                    // PID where applicable.
-};
-
-extern void HandleCrashDump(const BreakpadInfo& info);
+// Checks if crash reporting is enabled. Note that this is not the same as
+// being opted into metrics reporting (and crash reporting), which controls
+// whether InitCrashReporter() is called.
+bool IsCrashReporterEnabled();
 
 #endif  // CHROME_APP_BREAKPAD_LINUX_H_