Android: Make the spare renderer accessible to all Chrome tabs.

chrome/android/javatests/src/org/chromium/chrome/browser/customtabs/CustomTabActivityTest.java

Index: chrome/android/javatests/src/org/chromium/chrome/browser/customtabs/CustomTabActivityTest.java
diff --git a/chrome/android/javatests/src/org/chromium/chrome/browser/customtabs/CustomTabActivityTest.java b/chrome/android/javatests/src/org/chromium/chrome/browser/customtabs/CustomTabActivityTest.java
index 30d5a8d871bb553cbeb222c1018efb0b2b2110e7..0e0bce31304d882ffe9c4e9b8227c73aba0842c9 100644
--- a/chrome/android/javatests/src/org/chromium/chrome/browser/customtabs/CustomTabActivityTest.java
+++ b/chrome/android/javatests/src/org/chromium/chrome/browser/customtabs/CustomTabActivityTest.java
@@ -1092,9 +1092,13 @@ public class CustomTabActivityTest extends CustomTabActivityTestBase {
         } catch (InterruptedException e) {
             fail();
         }
-        assertFalse(
-                "Warmup() should have allocated a child connection",
-                mActivity.shouldAllocateChildConnection());
+        ThreadUtils.runOnUiThreadBlocking(new Runnable() {
+            @Override
+            public void run() {
+                assertFalse("Warmup() should have allocated a child connection",
+                        mActivity.shouldAllocateChildConnection());
+            }
+        });
     }
 
     /**
@@ -1115,9 +1119,13 @@ public class CustomTabActivityTest extends CustomTabActivityTestBase {
         } catch (InterruptedException e) {
             fail();
         }
-        assertTrue(
-                "No spare renderer available, should allocate a child connection.",
-                mActivity.shouldAllocateChildConnection());
+        ThreadUtils.runOnUiThreadBlocking(new Runnable() {
+            @Override
+            public void run() {
+                assertTrue("No spare renderer available, should allocate a child connection.",
+                        mActivity.shouldAllocateChildConnection());
+            }
+        });
     }
 
     /**
@@ -1137,9 +1145,13 @@ public class CustomTabActivityTest extends CustomTabActivityTestBase {
         } catch (InterruptedException e) {
             fail();
         }
-        assertFalse(
-                "Prerendering should have allocated a child connection",
-                mActivity.shouldAllocateChildConnection());
+        ThreadUtils.runOnUiThreadBlocking(new Runnable() {
+            @Override
+            public void run() {
+                assertFalse("Prerendering should have allocated a child connection",
+                        mActivity.shouldAllocateChildConnection());
+            }
+        });
     }
 
     /**