update engine: clang formatting

Fix clang formatting issues for all .cc, .h, and .proto files
in update engine.

~/trunk/src/chromium/src/buildtools/linux64/clang-format -i \
-style=file $(find update_engine -name '*.h' -o -name '*.cc' \
-o -name '*.cpp' -o -name '*.c')

BUG=b:169679497
TEST=CQ pass

Change-Id: I4fde01d3e734dbffaa2c7e7b667503d310abccae
Reviewed-on: https://chromium-review.googlesource.com/c/aosp/platform/system/update_engine/+/2462840
Reviewed-by: Amin Hassani <[email protected]>
Reviewed-by: Jae Hoon Kim <[email protected]>
Tested-by: Vyshu Khota <[email protected]>
Commit-Queue: Vyshu Khota <[email protected]>
diff --git a/boot_control_chromeos.cc b/boot_control_chromeos.cc
index 95456f0..da2c891 100644
--- a/boot_control_chromeos.cc
+++ b/boot_control_chromeos.cc
@@ -128,8 +128,9 @@
   }
   if (current_slot_ >= num_slots_) {
     LOG(ERROR) << "Couldn't find the slot number corresponding to the "
-               << "partition " << boot_device << ", number of slots: "
-               << num_slots_ << ". This device is not updateable.";
+               << "partition " << boot_device
+               << ", number of slots: " << num_slots_
+               << ". This device is not updateable.";
     num_slots_ = 1;
     current_slot_ = BootControlInterface::kInvalidSlot;
     return false;
diff --git a/common/subprocess.h b/common/subprocess.h
index 179a5c5..2ed8b81 100644
--- a/common/subprocess.h
+++ b/common/subprocess.h
@@ -37,7 +37,7 @@
 #include <brillo/process.h>
 #include <brillo/process_reaper.h>
 #endif  // __CHROMEOS__
-#include <gtest/gtest_prod.h>  // for FRIEND_TEST
+#include <gtest/gtest_prod.h>
 
 // The Subprocess class is a singleton. It's used to spawn off a subprocess
 // and get notified when the subprocess exits. The result of Exec() can
diff --git a/omaha_request_params.h b/omaha_request_params.h
index 5d30d58..1e9ab7d 100644
--- a/omaha_request_params.h
+++ b/omaha_request_params.h
@@ -384,8 +384,8 @@
   // TODO(b:133324571) tracks removal of this field once it is no longer
   // needed in AU requests. Remove by October 1st 2019.
   std::string device_requisition_;  // Chrome OS Requisition type.
-  bool delta_okay_;         // If this client can accept a delta
-  bool interactive_;        // Whether this is a user-initiated update check
+  bool delta_okay_;                 // If this client can accept a delta
+  bool interactive_;  // Whether this is a user-initiated update check
 
   // The URL to send the Omaha request to.
   std::string update_url_;
diff --git a/payload_consumer/install_plan.h b/payload_consumer/install_plan.h
index f04c650..5534fb3 100644
--- a/payload_consumer/install_plan.h
+++ b/payload_consumer/install_plan.h
@@ -59,8 +59,8 @@
 
   struct Payload {
     std::vector<std::string> payload_urls;  // URLs to download the payload
-    uint64_t size = 0;               // size of the payload
-    uint64_t metadata_size = 0;      // size of the metadata
+    uint64_t size = 0;                      // size of the payload
+    uint64_t metadata_size = 0;             // size of the metadata
     std::string metadata_signature;  // signature of the metadata in base64
     brillo::Blob hash;               // SHA256 hash of the payload
     InstallPayloadType type{InstallPayloadType::kUnknown};
diff --git a/payload_generator/extent_ranges_unittest.cc b/payload_generator/extent_ranges_unittest.cc
index 326e936..f55bb73 100644
--- a/payload_generator/extent_ranges_unittest.cc
+++ b/payload_generator/extent_ranges_unittest.cc
@@ -52,8 +52,8 @@
   }
 }
 
-#define EXPECT_RANGE_EQ(ranges, var)                      \
-  do {                                                    \
+#define EXPECT_RANGE_EQ(ranges, var)                       \
+  do {                                                     \
     ExpectRangeEq(ranges, var, base::size(var), __LINE__); \
   } while (0)
 
diff --git a/payload_generator/generate_delta_main.cc b/payload_generator/generate_delta_main.cc
index 7d62e77..1944847 100644
--- a/payload_generator/generate_delta_main.cc
+++ b/payload_generator/generate_delta_main.cc
@@ -74,7 +74,6 @@
   }
 }
 
-
 void CalculateHashForSigning(const vector<size_t>& sizes,
                              const string& out_hash_file,
                              const string& out_metadata_hash_file,
diff --git a/test_http_server.cc b/test_http_server.cc
index cf6f10d..a2f1e05 100644
--- a/test_http_server.cc
+++ b/test_http_server.cc
@@ -190,7 +190,7 @@
                     string("HTTP/1.1 ") + Itoa(return_code) + " " +
                         GetHttpResponseDescription(return_code) +
                         EOL "Content-Type: application/octet-stream" EOL
-                        "Connection: close" EOL);
+                            "Connection: close" EOL);
   if (ret < 0)
     return -1;
   written += ret;
diff --git a/update_metadata.proto b/update_metadata.proto
index 8c63ee7..99bfa84 100644
--- a/update_metadata.proto
+++ b/update_metadata.proto
@@ -173,15 +173,15 @@
     BSDIFF = 3 [deprecated = true];  // The data is a bsdiff binary diff.
 
     // On minor version 2 or newer, these operations are supported:
-    SOURCE_COPY = 4; // Copy from source to target partition
-    SOURCE_BSDIFF = 5; // Like BSDIFF, but read from source partition
+    SOURCE_COPY = 4;    // Copy from source to target partition
+    SOURCE_BSDIFF = 5;  // Like BSDIFF, but read from source partition
 
     // On minor version 3 or newer and on major version 2 or newer, these
     // operations are supported:
-    REPLACE_XZ = 8; // Replace destination extents w/ attached xz data.
+    REPLACE_XZ = 8;  // Replace destination extents w/ attached xz data.
 
     // On minor version 4 or newer, these operations are supported:
-    ZERO = 6;  // Write zeros in the destination.
+    ZERO = 6;     // Write zeros in the destination.
     DISCARD = 7;  // Discard the destination blocks, reading as undefined.
     BROTLI_BSDIFF = 10;  // Like SOURCE_BSDIFF, but compressed with brotli.