Make Crashpad use the user data dir, rather than always default location

chrome/install_static/product_install_details.h

Index: chrome/install_static/product_install_details.h
diff --git a/chrome/install_static/product_install_details.h b/chrome/install_static/product_install_details.h
index 54843b6c7c051de4870f41c4897404724c8e3952..ae5ceb572f2fe11ce1b1fe58b90197c861464201 100644
--- a/chrome/install_static/product_install_details.h
+++ b/chrome/install_static/product_install_details.h
@@ -13,6 +13,7 @@
 namespace install_static {
 
 struct InstallConstants;
+class InstallDetails;
 class PrimaryInstallDetails;
 
 // Creates product details for the current process and sets them as the global
@@ -40,6 +41,35 @@ std::wstring GetInstallSuffix(const std::wstring& exe_path);
 // being multi-install.
 bool IsMultiInstall(const InstallConstants& mode, bool system_level);
 
+// Populates |result| with the default User Data directory for the current
+// user. Returns false if all attempts at locating a User Data directory fail.
+// TODO(ananta)
+// http://crbug.com/604923
+// Unify this with the Browser Distribution code.
+bool GetDefaultUserDataDirectory(const InstallDetails& details,
+                                 std::wstring* result);
+
+// Populates |result| with the user data dir, respecting various overrides in
+// the manner of chrome_main_delegate.cc InitializeUserDataDir(). This includes
+// overrides on the command line, overrides by registry policy, and fallback to
+// the default User Data dir if the directory is invalid or unspecified.
+//
+// If a directory was given by the user (either on the command line, or by
+// registry policy), but it was invalid or unusable, then
+// |invalid_supplied_directory| will be filled with the value that was unusable
+// for reporting an error to the user.
+//
+// Other than in test situations, it is generally only appropriate to call this
+// function once on startup and use the result for subsequent callers, otherwise
+// there's a race with registry modification (which could cause a different
+// derivation) so different subsystems would see different values). In normal
+// usage, this will be called once at startup and saved into InstallDetails
+// from where it should be retrieved.
+bool GetUserDataDirectory(const std::wstring& user_data_dir_from_command_line,
+                          const InstallDetails& details,
+                          std::wstring* result,
+                          std::wstring* invalid_supplied_directory);
+
 // Creates product details for the process at |exe_path|.
 std::unique_ptr<PrimaryInstallDetails> MakeProductDetails(
     const std::wstring& exe_path);