Dump total number of extensions into crash dump meta data.

Review URL: http://codereview.chromium.org/3520015

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@61509 0039d316-1c4b-4281-b951-d872f2087c98

2 files changed, 37 insertions, 6 deletions

diff --git a/chrome/app/breakpad_win.cc b/chrome/app/breakpad_win.cc
index 5f31438..5d57166 100644
--- a/chrome/app/breakpad_win.cc
+++ b/chrome/app/breakpad_win.cc
@@ -66,6 +66,7 @@ google_breakpad::ExceptionHandler* g_breakpad = NULL;
 // data updated as the state of the browser changes.
 static std::vector<google_breakpad::CustomInfoEntry>* g_custom_entries = NULL;
 static size_t g_url_chunks_offset;
+static size_t g_num_of_extensions_offset;
 static size_t g_extension_ids_offset;
 static size_t g_client_id_offset;
 static size_t g_gpu_info_offset;
@@ -120,6 +121,10 @@ google_breakpad::CustomClientInfo* GetCustomInfo(const std::wstring& dll_path,
   g_custom_entries->push_back(
       google_breakpad::CustomInfoEntry(L"ptype", type.c_str()));
 
+  g_num_of_extensions_offset = g_custom_entries->size();
+  g_custom_entries->push_back(
+      google_breakpad::CustomInfoEntry(L"num-extensions", L"N/A"));
+
   g_extension_ids_offset = g_custom_entries->size();
   for (int i = 0; i < kMaxReportedActiveExtensions; ++i) {
     g_custom_entries->push_back(google_breakpad::CustomInfoEntry(
@@ -310,6 +315,20 @@ extern "C" void __declspec(dllexport) __cdecl SetClientId(
            client_id);
 }
 
+static void SetIntegerValue(size_t offset, int value) {
+  if (!g_custom_entries)
+    return;
+
+  wcscpy_s((*g_custom_entries)[offset].value,
+           google_breakpad::CustomInfoEntry::kValueMaxLength,
+           StringPrintf(L"%d", value).c_str());
+}
+
+extern "C" void __declspec(dllexport) __cdecl SetNumberOfExtensions(
+    int number_of_extensions) {
+  SetIntegerValue(g_num_of_extensions_offset, number_of_extensions);
+}
+
 extern "C" void __declspec(dllexport) __cdecl SetExtensionID(
     int index, const wchar_t* id) {
   DCHECK(id);
@@ -349,12 +368,7 @@ extern "C" void __declspec(dllexport) __cdecl SetGpuInfo(
 
 extern "C" void __declspec(dllexport) __cdecl SetNumberOfViews(
     int number_of_views) {
-  if (!g_custom_entries)
-    return;
-
-  wcscpy_s((*g_custom_entries)[g_num_of_views_offset].value,
-           google_breakpad::CustomInfoEntry::kValueMaxLength,
-           StringPrintf(L"%d", number_of_views).c_str());
+  SetIntegerValue(g_num_of_views_offset, number_of_views);
 }
 
 }  // namespace
diff --git a/chrome/common/child_process_logging_win.cc b/chrome/common/child_process_logging_win.cc
index 419caa8..1be4921 100644
--- a/chrome/common/child_process_logging_win.cc
+++ b/chrome/common/child_process_logging_win.cc
@@ -22,6 +22,10 @@ typedef void (__cdecl *MainSetActiveURL)(const wchar_t*);
 typedef void (__cdecl *MainSetClientId)(const wchar_t*);
 
 // exported in breakpad_win.cc:
+//   void __declspec(dllexport) __cdecl SetNumberOfExtensions.
+typedef void (__cdecl *MainSetNumberOfExtensions)(int);
+
+// exported in breakpad_win.cc:
 // void __declspec(dllexport) __cdecl SetExtensionID.
 typedef void (__cdecl *MainSetExtensionID)(size_t, const wchar_t*);
 
@@ -86,6 +90,17 @@ std::string GetClientId() {
 }
 
 void SetActiveExtensions(const std::set<std::string>& extension_ids) {
+  static MainSetNumberOfExtensions set_number_of_extensions = NULL;
+  if (!set_number_of_extensions) {
+    HMODULE exe_module = GetModuleHandle(chrome::kBrowserProcessExecutableName);
+    if (!exe_module)
+      return;
+    set_number_of_extensions = reinterpret_cast<MainSetNumberOfExtensions>(
+        GetProcAddress(exe_module, "SetNumberOfExtensions"));
+    if (!set_number_of_extensions)
+      return;
+  }
+
   static MainSetExtensionID set_extension_id = NULL;
   if (!set_extension_id) {
     HMODULE exe_module = GetModuleHandle(chrome::kBrowserProcessExecutableName);
@@ -97,6 +112,8 @@ void SetActiveExtensions(const std::set<std::string>& extension_ids) {
       return;
   }
 
+  (set_number_of_extensions)(static_cast<int>(extension_ids.size()));
+
   std::set<std::string>::const_iterator iter = extension_ids.begin();
   for (size_t i = 0; i < kMaxReportedActiveExtensions; ++i) {
     if (iter != extension_ids.end()) {