Support asynchronous patching operations in the component updater.

chrome/browser/component_updater/component_patcher_operation.cc

Index: chrome/browser/component_updater/component_patcher_operation.cc
diff --git a/chrome/browser/component_updater/component_patcher_operation.cc b/chrome/browser/component_updater/component_patcher_operation.cc
index 3f5f46a61354476cc3787cfd3c6d590709643d9f..a19f20efdf078a5e89348bfc0b2eebdb49ea512c 100644
--- a/chrome/browser/component_updater/component_patcher_operation.cc
+++ b/chrome/browser/component_updater/component_patcher_operation.cc
@@ -34,6 +34,8 @@ const char kSha256[] = "sha256";
 
 }  // namespace
 
+namespace component_updater {
+
 DeltaUpdateOp* CreateDeltaUpdateOp(base::DictionaryValue* command) {
   std::string operation;
   if (!command->GetString(kOp, &operation))
@@ -53,12 +55,13 @@ DeltaUpdateOp::DeltaUpdateOp() {}
 
 DeltaUpdateOp::~DeltaUpdateOp() {}
 
-ComponentUnpacker::Error DeltaUpdateOp::Run(base::DictionaryValue* command_args,
-                                            const base::FilePath& input_dir,
-                                            const base::FilePath& unpack_dir,
-                                            ComponentPatcher* patcher,
-                                            ComponentInstaller* installer,
-                                            int* error) {
+ComponentUnpacker::Error DeltaUpdateOp::Run(
+    base::DictionaryValue* command_args,
+    const base::FilePath& input_dir,
+    const base::FilePath& unpack_dir,
+    ComponentPatcher* patcher,
+    ComponentInstaller* installer,
+    int* error) {
   std::string output_rel_path;
   if (!command_args->GetString(kOutput, &output_rel_path) ||
       !command_args->GetString(kSha256, &output_sha256_))
@@ -77,7 +80,8 @@ ComponentUnpacker::Error DeltaUpdateOp::Run(base::DictionaryValue* command_args,
       return ComponentUnpacker::kIoError;
   }
 
-  ComponentUnpacker::Error run_result = DoRun(patcher, error);
+  ComponentUnpacker::Error run_result = DoRun(
+      patcher, error);
   if (run_result != ComponentUnpacker::kNone)
     return run_result;
 
@@ -122,8 +126,9 @@ ComponentUnpacker::Error DeltaUpdateOpCopy::DoParseArguments(
   return ComponentUnpacker::kNone;
 }
 
-ComponentUnpacker::Error DeltaUpdateOpCopy::DoRun(ComponentPatcher*,
-                                                  int* error) {
+ComponentUnpacker::Error DeltaUpdateOpCopy::DoRun(
+    ComponentPatcher*,
+    int* error) {
   *error = 0;
   if (!base::CopyFile(input_abs_path_, output_abs_path_))
     return ComponentUnpacker::kDeltaOperationFailure;
@@ -220,3 +225,4 @@ ComponentUnpacker::Error DeltaUpdateOpPatchCourgette::DoRun(
                         error);
 }
 
+}  // namespace component_updater