[turbofan] Fix overzealous reserving of lazy deopt space.

This fixes CodeGenerator::EnsureSpaceForLazyDeopt to no longer be
treated as a lazy deopt site in itself. Calls mark themselves as lazy
bailout sites in CodeGenerator::RecordCallPosition, which suffices.

R=jarin@chromium.org

Review URL: https://codereview.chromium.org/1186353003

Cr-Commit-Position: refs/heads/master@{#29069}

src/compiler/arm/code-generator-arm.cc

@@ -1217,7 +1217,6 @@ void CodeGenerator::EnsureSpaceForLazyDeopt() {
       }
     }
   }
-  MarkLazyDeoptSite();
 }
 
 #undef __

src/compiler/arm64/code-generator-arm64.cc

@@ -1329,7 +1329,6 @@ void CodeGenerator::EnsureSpaceForLazyDeopt() {
       }
     }
   }
-  MarkLazyDeoptSite();
 }
 
 #undef __

src/compiler/ia32/code-generator-ia32.cc

@@ -1511,7 +1511,6 @@ void CodeGenerator::EnsureSpaceForLazyDeopt() {
       __ Nop(padding_size);
     }
   }
-  MarkLazyDeoptSite();
 }
 
 #undef __

src/compiler/mips/code-generator-mips.cc

@@ -1341,7 +1341,6 @@ void CodeGenerator::EnsureSpaceForLazyDeopt() {
       }
     }
   }
-  MarkLazyDeoptSite();
 }
 
 #undef __

src/compiler/mips64/code-generator-mips64.cc

@@ -1414,7 +1414,6 @@ void CodeGenerator::EnsureSpaceForLazyDeopt() {
       }
     }
   }
-  MarkLazyDeoptSite();
 }
 
 #undef __

src/compiler/ppc/code-generator-ppc.cc

@@ -1555,7 +1555,6 @@ void CodeGenerator::EnsureSpaceForLazyDeopt() {
       }
     }
   }
-  MarkLazyDeoptSite();
 }
 
 #undef __

src/compiler/x64/code-generator-x64.cc

@@ -1712,7 +1712,6 @@ void CodeGenerator::EnsureSpaceForLazyDeopt() {
       __ Nop(padding_size);
     }
   }
-  MarkLazyDeoptSite();
 }
 
 #undef __

src/compiler/x87/code-generator-x87.cc

@@ -1840,7 +1840,6 @@ void CodeGenerator::EnsureSpaceForLazyDeopt() {
       __ Nop(padding_size);
     }
   }
-  MarkLazyDeoptSite();
 }
 
 #undef __