android: Pass CPU properties from browser to renderer process.

content/public/android/java/src/org/chromium/content/browser/SandboxedProcessConnection.java

Index: content/public/android/java/src/org/chromium/content/browser/SandboxedProcessConnection.java
diff --git a/content/public/android/java/src/org/chromium/content/browser/SandboxedProcessConnection.java b/content/public/android/java/src/org/chromium/content/browser/SandboxedProcessConnection.java
index 719473de75260594b5debfe59751a84120eac60b..53d531827e8fbec81637440597078096f1c86b80 100644
--- a/content/public/android/java/src/org/chromium/content/browser/SandboxedProcessConnection.java
+++ b/content/public/android/java/src/org/chromium/content/browser/SandboxedProcessConnection.java
@@ -20,6 +20,7 @@ import java.io.IOException;
 import java.util.concurrent.atomic.AtomicBoolean;
 
 import org.chromium.base.CalledByNative;
+import org.chromium.base.CpuFeatures;
 import org.chromium.base.ThreadUtils;
 import org.chromium.content.common.CommandLine;
 import org.chromium.content.common.ISandboxedProcessCallback;
@@ -42,6 +43,13 @@ public class SandboxedProcessConnection implements ServiceConnection {
     public static final String EXTRA_FILES_ID_SUFFIX = "_id";
     public static final String EXTRA_FILES_FD_SUFFIX = "_fd";
 
+    // Used to pass the CPU core count to sandboxed processes.
+    public static final String EXTRA_CPU_COUNT =
+            "com.google.android.apps.chrome.extra.cpu_count";
+    // Used to pass the CPU features mask to sandboxed processes.
+    public static final String EXTRA_CPU_FEATURES =
+            "com.google.android.apps.chrome.extra.cpu_features";
+
     private final Context mContext;
     private final int mServiceNumber;
     private final SandboxedProcessConnection.DeathCallback mDeathCallback;
@@ -237,6 +245,10 @@ public class SandboxedProcessConnection implements ServiceConnection {
                 bundle.putParcelable(fdName, parcelFiles[i]);
                 bundle.putInt(idName, fileInfos[i].mId);
             }
+            // Add the CPU properties now.
+            bundle.putInt(EXTRA_CPU_COUNT, CpuFeatures.getCount());
+            bundle.putLong(EXTRA_CPU_FEATURES, CpuFeatures.getMask());
+
             try {
                 mPID = mService.setupConnection(bundle, mConnectionParams.mCallback);
             } catch (android.os.RemoteException re) {